diff --git a/main/core/src/main/java/org/cryptomator/webdav/WebDAVServer.java b/main/core/src/main/java/org/cryptomator/webdav/WebDAVServer.java
index 798a872bb..27d862ae4 100644
--- a/main/core/src/main/java/org/cryptomator/webdav/WebDAVServer.java
+++ b/main/core/src/main/java/org/cryptomator/webdav/WebDAVServer.java
@@ -26,7 +26,7 @@ import org.slf4j.LoggerFactory;
 public final class WebDAVServer {
 
 	private static final Logger LOG = LoggerFactory.getLogger(WebDAVServer.class);
-	private static final String LOCALHOST = "127.0.0.1";
+	private static final String LOCALHOST = "::1";
 	private static final int MAX_PENDING_REQUESTS = 200;
 	private static final int MAX_THREADS = 200;
 	private static final int MIN_THREADS = 4;
diff --git a/main/ui/src/main/java/org/cryptomator/ui/model/Directory.java b/main/ui/src/main/java/org/cryptomator/ui/model/Directory.java
index e172ac994..d5837967a 100644
--- a/main/ui/src/main/java/org/cryptomator/ui/model/Directory.java
+++ b/main/ui/src/main/java/org/cryptomator/ui/model/Directory.java
@@ -2,7 +2,6 @@ package org.cryptomator.ui.model;
 
 import java.io.IOException;
 import java.io.Serializable;
-import java.net.URI;
 import java.nio.file.Files;
 import java.nio.file.Path;
 
@@ -14,9 +13,9 @@ import org.cryptomator.crypto.SamplingDecorator;
 import org.cryptomator.crypto.aes256.Aes256Cryptor;
 import org.cryptomator.ui.MainApplication;
 import org.cryptomator.ui.util.MasterKeyFilter;
-import org.cryptomator.ui.util.webdav.CommandFailedException;
-import org.cryptomator.ui.util.webdav.WebDavMount;
-import org.cryptomator.ui.util.webdav.WebDavMounter;
+import org.cryptomator.ui.util.mount.CommandFailedException;
+import org.cryptomator.ui.util.mount.WebDavMount;
+import org.cryptomator.ui.util.mount.WebDavMounter;
 import org.cryptomator.webdav.WebDAVServer;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -70,8 +69,7 @@ public class Directory implements Serializable {
 
 	public boolean mount() {
 		try {
-			URI shareUri = URI.create(String.format("dav://localhost:%d", server.getPort()));
-			webDavMount = WebDavMounter.mount(shareUri);
+			webDavMount = WebDavMounter.mount(server.getPort());
 			return true;
 		} catch (CommandFailedException e) {
 			LOG.warn("mount failed", e);
diff --git a/main/ui/src/main/java/org/cryptomator/ui/util/command/CommandResult.java b/main/ui/src/main/java/org/cryptomator/ui/util/command/CommandResult.java
index d5c347c47..5ff8742e4 100644
--- a/main/ui/src/main/java/org/cryptomator/ui/util/command/CommandResult.java
+++ b/main/ui/src/main/java/org/cryptomator/ui/util/command/CommandResult.java
@@ -14,7 +14,7 @@ import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.util.concurrent.TimeUnit;
 
-import org.cryptomator.ui.util.webdav.CommandFailedException;
+import org.cryptomator.ui.util.mount.CommandFailedException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
diff --git a/main/ui/src/main/java/org/cryptomator/ui/util/command/CommandRunner.java b/main/ui/src/main/java/org/cryptomator/ui/util/command/CommandRunner.java
index 9ccadd7da..5cbbd1f03 100644
--- a/main/ui/src/main/java/org/cryptomator/ui/util/command/CommandRunner.java
+++ b/main/ui/src/main/java/org/cryptomator/ui/util/command/CommandRunner.java
@@ -15,7 +15,7 @@ import static org.apache.commons.lang3.SystemUtils.IS_OS_WINDOWS;
 import java.io.IOException;
 
 import org.apache.commons.lang3.SystemUtils;
-import org.cryptomator.ui.util.webdav.CommandFailedException;
+import org.cryptomator.ui.util.mount.CommandFailedException;
 
 /**
  * <p>
diff --git a/main/ui/src/main/java/org/cryptomator/ui/util/command/Script.java b/main/ui/src/main/java/org/cryptomator/ui/util/command/Script.java
index 4417f0281..87d3fcbe0 100644
--- a/main/ui/src/main/java/org/cryptomator/ui/util/command/Script.java
+++ b/main/ui/src/main/java/org/cryptomator/ui/util/command/Script.java
@@ -11,7 +11,7 @@ package org.cryptomator.ui.util.command;
 import java.util.HashMap;
 import java.util.Map;
 
-import org.cryptomator.ui.util.webdav.CommandFailedException;
+import org.cryptomator.ui.util.mount.CommandFailedException;
 
 public final class Script {
 	
diff --git a/main/ui/src/main/java/org/cryptomator/ui/util/webdav/CommandFailedException.java b/main/ui/src/main/java/org/cryptomator/ui/util/mount/CommandFailedException.java
similarity index 94%
rename from main/ui/src/main/java/org/cryptomator/ui/util/webdav/CommandFailedException.java
rename to main/ui/src/main/java/org/cryptomator/ui/util/mount/CommandFailedException.java
index 9256a554e..dacf5a0fb 100644
--- a/main/ui/src/main/java/org/cryptomator/ui/util/webdav/CommandFailedException.java
+++ b/main/ui/src/main/java/org/cryptomator/ui/util/mount/CommandFailedException.java
@@ -7,7 +7,7 @@
  *     Sebastian Stenzel - initial API and implementation
  *     Markus Kreusch - Refactored WebDavMounter to use strategy pattern
  ******************************************************************************/
-package org.cryptomator.ui.util.webdav;
+package org.cryptomator.ui.util.mount;
 
 public class CommandFailedException extends Exception {
 
diff --git a/main/ui/src/main/java/org/cryptomator/ui/util/webdav/FallbackWebDavMounter.java b/main/ui/src/main/java/org/cryptomator/ui/util/mount/FallbackWebDavMounter.java
similarity index 91%
rename from main/ui/src/main/java/org/cryptomator/ui/util/webdav/FallbackWebDavMounter.java
rename to main/ui/src/main/java/org/cryptomator/ui/util/mount/FallbackWebDavMounter.java
index d662ba321..3bb9f4850 100644
--- a/main/ui/src/main/java/org/cryptomator/ui/util/webdav/FallbackWebDavMounter.java
+++ b/main/ui/src/main/java/org/cryptomator/ui/util/mount/FallbackWebDavMounter.java
@@ -6,9 +6,7 @@
  * Contributors:
  *      Markus Kreusch - Refactored WebDavMounter to use strategy pattern
  ******************************************************************************/
-package org.cryptomator.ui.util.webdav;
-
-import java.net.URI;
+package org.cryptomator.ui.util.mount;
 
 /**
  * A WebDavMounter acting as fallback if no other mounter works.
@@ -23,7 +21,7 @@ final class FallbackWebDavMounter implements WebDavMounterStrategy {
 	}
 
 	@Override
-	public WebDavMount mount(URI uri) {
+	public WebDavMount mount(int localPort) {
 		displayMountInstructions();
 		return new WebDavMount() {
 			@Override
diff --git a/main/ui/src/main/java/org/cryptomator/ui/util/webdav/LinuxGvfsWebDavMounter.java b/main/ui/src/main/java/org/cryptomator/ui/util/mount/LinuxGvfsWebDavMounter.java
similarity index 82%
rename from main/ui/src/main/java/org/cryptomator/ui/util/webdav/LinuxGvfsWebDavMounter.java
rename to main/ui/src/main/java/org/cryptomator/ui/util/mount/LinuxGvfsWebDavMounter.java
index 766bdb1b0..2ed00c705 100644
--- a/main/ui/src/main/java/org/cryptomator/ui/util/webdav/LinuxGvfsWebDavMounter.java
+++ b/main/ui/src/main/java/org/cryptomator/ui/util/mount/LinuxGvfsWebDavMounter.java
@@ -7,9 +7,7 @@
  *     Sebastian Stenzel - initial API and implementation
  *     Markus Kreusch - Refactored WebDavMounter to use strategy pattern
  ******************************************************************************/
-package org.cryptomator.ui.util.webdav;
-
-import java.net.URI;
+package org.cryptomator.ui.util.mount;
 
 import org.apache.commons.lang3.SystemUtils;
 import org.cryptomator.ui.util.command.Script;
@@ -32,16 +30,16 @@ final class LinuxGvfsWebDavMounter implements WebDavMounterStrategy {
 	}
 
 	@Override
-	public WebDavMount mount(final URI uri) throws CommandFailedException {
+	public WebDavMount mount(int localPort) throws CommandFailedException {
 		final Script mountScript = Script.fromLines(
 				"set -x",
-				"gvfs-mount \"$URI\"",
+				"gvfs-mount \"dav://[::1]:$PORT\"",
 				"xdg-open \"$URI\"")
-				.addEnv("URI", uri.toString());
+				.addEnv("PORT", String.valueOf(localPort));
 		final Script unmountScript = Script.fromLines(
 				"set -x",
-				"gvfs-mount -u \"$URI\"")
-				.addEnv("URI", uri.toString());
+				"gvfs-mount -u \"dav://[::1]:$PORT\"")
+				.addEnv("URI", String.valueOf(localPort));
 		mountScript.execute().assertOk();
 		return new WebDavMount() {
 			@Override
diff --git a/main/ui/src/main/java/org/cryptomator/ui/util/webdav/MacOsXWebDavMounter.java b/main/ui/src/main/java/org/cryptomator/ui/util/mount/MacOsXWebDavMounter.java
similarity index 73%
rename from main/ui/src/main/java/org/cryptomator/ui/util/webdav/MacOsXWebDavMounter.java
rename to main/ui/src/main/java/org/cryptomator/ui/util/mount/MacOsXWebDavMounter.java
index c8ef2e6dc..9df4801cf 100644
--- a/main/ui/src/main/java/org/cryptomator/ui/util/webdav/MacOsXWebDavMounter.java
+++ b/main/ui/src/main/java/org/cryptomator/ui/util/mount/MacOsXWebDavMounter.java
@@ -4,12 +4,10 @@
  * See the LICENSE.txt file for more info.
  * 
  * Contributors:
- *     Sebastian Stenzel - initial API and implementation
+ *     Sebastian Stenzel - initial API and implementation, strategy fine tuning
  *     Markus Kreusch - Refactored WebDavMounter to use strategy pattern
  ******************************************************************************/
-package org.cryptomator.ui.util.webdav;
-
-import java.net.URI;
+package org.cryptomator.ui.util.mount;
 
 import org.apache.commons.lang3.SystemUtils;
 import org.cryptomator.ui.util.command.Script;
@@ -22,18 +20,18 @@ final class MacOsXWebDavMounter implements WebDavMounterStrategy {
 	}
 
 	@Override
-	public WebDavMount mount(URI uri) throws CommandFailedException {
-		final String path = "/Volumes/Cryptomator" + uri.getPort();
+	public WebDavMount mount(int localPort) throws CommandFailedException {
+		final String path = "/Volumes/Cryptomator" + localPort;
 		final Script mountScript = Script.fromLines(
 				"set -x",
 				"mkdir \"$MOUNT_PATH\"",
-				"mount_webdav -S -v Cryptomator \"$URI\" \"$MOUNT_PATH\"",
+				"mount_webdav -S -v Cryptomator \"[::1]:$PORT\" \"$MOUNT_PATH\"",
 				"open \"$MOUNT_PATH\"")
-				.addEnv("URI", uri.toString())
+				.addEnv("PORT", String.valueOf(localPort))
 				.addEnv("MOUNT_PATH", path);
 		final Script unmountScript = Script.fromLines(
 				"set -x",
-				"unmount $MOUNT_PATH")
+				"umount $MOUNT_PATH")
 				.addEnv("MOUNT_PATH", path);
 		mountScript.execute().assertOk();
 		return new WebDavMount() {
diff --git a/main/ui/src/main/java/org/cryptomator/ui/util/webdav/WebDavMount.java b/main/ui/src/main/java/org/cryptomator/ui/util/mount/WebDavMount.java
similarity index 94%
rename from main/ui/src/main/java/org/cryptomator/ui/util/webdav/WebDavMount.java
rename to main/ui/src/main/java/org/cryptomator/ui/util/mount/WebDavMount.java
index 35c1253bf..17a2104da 100644
--- a/main/ui/src/main/java/org/cryptomator/ui/util/webdav/WebDavMount.java
+++ b/main/ui/src/main/java/org/cryptomator/ui/util/mount/WebDavMount.java
@@ -6,7 +6,7 @@
  * Contributors:
  *     Markus Kreusch - Refactored WebDavMounter to use strategy pattern
  ******************************************************************************/
-package org.cryptomator.ui.util.webdav;
+package org.cryptomator.ui.util.mount;
 
 
 /**
diff --git a/main/ui/src/main/java/org/cryptomator/ui/util/webdav/WebDavMounter.java b/main/ui/src/main/java/org/cryptomator/ui/util/mount/WebDavMounter.java
similarity index 78%
rename from main/ui/src/main/java/org/cryptomator/ui/util/webdav/WebDavMounter.java
rename to main/ui/src/main/java/org/cryptomator/ui/util/mount/WebDavMounter.java
index cf1db9cdd..01e87fc89 100644
--- a/main/ui/src/main/java/org/cryptomator/ui/util/webdav/WebDavMounter.java
+++ b/main/ui/src/main/java/org/cryptomator/ui/util/mount/WebDavMounter.java
@@ -7,9 +7,7 @@
  *     Sebastian Stenzel - initial API and implementation
  *     Markus Kreusch - Refactored to use strategy pattern
  ******************************************************************************/
-package org.cryptomator.ui.util.webdav;
-
-import java.net.URI;
+package org.cryptomator.ui.util.mount;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -18,24 +16,19 @@ public final class WebDavMounter {
 
 	private static final Logger LOG = LoggerFactory.getLogger(WebDavMounter.class);
 
-	private static final WebDavMounterStrategy[] STRATEGIES = {
-		new WindowsWebDavMounter(),
-		new MacOsXWebDavMounter(),
-		new LinuxGvfsWebDavMounter()
-	};
-	
+	private static final WebDavMounterStrategy[] STRATEGIES = {new WindowsWebDavMounter(), new MacOsXWebDavMounter(), new LinuxGvfsWebDavMounter()};
+
 	private static volatile WebDavMounterStrategy choosenStrategy;
 
 	/**
 	 * Tries to mount a given webdav share.
 	 * 
-	 * @param uri
-	 *            the {@link URI} of the webdav share
+	 * @param localPort local TCP port of the webdav share
 	 * @return a {@link WebDavMount} representing the mounted share
 	 * @throws CommandFailedException if the mount operation fails
 	 */
-	public static WebDavMount mount(URI uri) throws CommandFailedException {
-		return chooseStrategy().mount(uri);
+	public static WebDavMount mount(int localPort) throws CommandFailedException {
+		return chooseStrategy().mount(localPort);
 	}
 
 	private static WebDavMounterStrategy chooseStrategy() {
diff --git a/main/ui/src/main/java/org/cryptomator/ui/util/webdav/WebDavMounterStrategy.java b/main/ui/src/main/java/org/cryptomator/ui/util/mount/WebDavMounterStrategy.java
similarity index 74%
rename from main/ui/src/main/java/org/cryptomator/ui/util/webdav/WebDavMounterStrategy.java
rename to main/ui/src/main/java/org/cryptomator/ui/util/mount/WebDavMounterStrategy.java
index e00568ac8..d382875ed 100644
--- a/main/ui/src/main/java/org/cryptomator/ui/util/webdav/WebDavMounterStrategy.java
+++ b/main/ui/src/main/java/org/cryptomator/ui/util/mount/WebDavMounterStrategy.java
@@ -5,10 +5,10 @@
  * 
  * Contributors:
  *     Markus Kreusch - Refactored WebDavMounter to use strategy pattern
+ *     Sebastian Stenzel - minor strategy fine tuning
  ******************************************************************************/
-package org.cryptomator.ui.util.webdav;
+package org.cryptomator.ui.util.mount;
 
-import java.net.URI;
 
 /**
  * A strategy able to mount a webdav share and display it to the user.
@@ -18,19 +18,17 @@ import java.net.URI;
 interface WebDavMounterStrategy {
 
 	/**
-	 * @return {@code false} if this {@code WebDavMounterStrategy} can not work
-	 *         on the local machine, {@code true} if it could work
+	 * @return {@code false} if this {@code WebDavMounterStrategy} can not work on the local machine, {@code true} if it could work
 	 */
 	boolean shouldWork();
 
 	/**
 	 * Tries to mount a given webdav share.
 	 * 
-	 * @param uri
-	 *            the {@link URI} of the webdav share
+	 * @param localPort local TCP port of the webdav share
 	 * @return a {@link WebDavMount} representing the mounted share
 	 * @throws CommandFailedException if the mount operation fails
 	 */
-	WebDavMount mount(URI uri) throws CommandFailedException;
+	WebDavMount mount(int localPort) throws CommandFailedException;
 
 }
diff --git a/main/ui/src/main/java/org/cryptomator/ui/util/webdav/WindowsWebDavMounter.java b/main/ui/src/main/java/org/cryptomator/ui/util/mount/WindowsWebDavMounter.java
similarity index 63%
rename from main/ui/src/main/java/org/cryptomator/ui/util/webdav/WindowsWebDavMounter.java
rename to main/ui/src/main/java/org/cryptomator/ui/util/mount/WindowsWebDavMounter.java
index 8dfb74cab..0f456abaa 100644
--- a/main/ui/src/main/java/org/cryptomator/ui/util/webdav/WindowsWebDavMounter.java
+++ b/main/ui/src/main/java/org/cryptomator/ui/util/mount/WindowsWebDavMounter.java
@@ -4,16 +4,13 @@
  * See the LICENSE.txt file for more info.
  * 
  * Contributors:
- *     Sebastian Stenzel - initial API and implementation
+ *     Sebastian Stenzel - initial API and implementation, strategy fine tuning
  *     Markus Kreusch - Refactored WebDavMounter to use strategy pattern
  ******************************************************************************/
-package org.cryptomator.ui.util.webdav;
+package org.cryptomator.ui.util.mount;
 
-import static java.lang.String.format;
 import static org.cryptomator.ui.util.command.Script.fromLines;
 
-import java.net.URI;
-import java.net.URISyntaxException;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -30,7 +27,7 @@ import org.cryptomator.ui.util.command.Script;
  */
 final class WindowsWebDavMounter implements WebDavMounterStrategy {
 
-	private static final Pattern WIN_MOUNT_DRIVELETTER_PATTERN = Pattern.compile("Laufwerk\\s*([A-Z]:)\\s*ist");
+	private static final Pattern WIN_MOUNT_DRIVELETTER_PATTERN = Pattern.compile("\\s*([A-Z]:)\\s*");
 	
 	@Override
 	public boolean shouldWork() {
@@ -38,11 +35,11 @@ final class WindowsWebDavMounter implements WebDavMounterStrategy {
 	}
 
 	@Override
-	public WebDavMount mount(URI uri) throws CommandFailedException {
+	public WebDavMount mount(int localPort) throws CommandFailedException {
 		final Script mountScript = fromLines(
-				"net use * %URI% /persistent:no",
+				"net use * http://0--1.ipv6-literal.net:%PORT% /persistent:no",
 				"if %errorLevel% neq 0 exit %errorLevel%")
-				.addEnv("URI", toHttpUri(uri));
+				.addEnv("PORT", String.valueOf(localPort));
 		final CommandResult mountResult = mountScript.execute();
 		mountResult.assertOk();
 		final String driveLetter = getDriveLetter(mountResult.getOutput());
@@ -67,30 +64,4 @@ final class WindowsWebDavMounter implements WebDavMounterStrategy {
 		}
 	}
 
-	private String toHttpUri(URI uri) {
-		if ("http".equals(uri.getScheme()) || "https".equals(uri.getScheme())) {
-			return uri.toString();
-		} else if ("dav".equals(uri.getScheme())) {
-			return replaceScheme(uri, "http").toString();
-		} else if ("davs".equals(uri.getScheme())) {
-			return replaceScheme(uri, "https").toString();
-		} else {
-			throw new IllegalStateException(format("No webdav uri %s", uri));
-		}
-	}
-
-	private URI replaceScheme(URI uri, String scheme) {
-		try {
-			return new URI(scheme,
-					uri.getUserInfo(),
-					uri.getHost(),
-					uri.getPort(),
-					uri.getPath(),
-					uri.getQuery(),
-					uri.getFragment());
-		} catch (URISyntaxException e) {
-			throw new IllegalStateException("Building an URI with replaced scheme failed");
-		}
-	}
-
 }