diff --git a/src/main/java/org/cryptomator/ui/preferences/SupporterCertificateController.java b/src/main/java/org/cryptomator/ui/preferences/SupporterCertificateController.java
index 02b8bab91..db2554d67 100644
--- a/src/main/java/org/cryptomator/ui/preferences/SupporterCertificateController.java
+++ b/src/main/java/org/cryptomator/ui/preferences/SupporterCertificateController.java
@@ -34,10 +34,10 @@ public class SupporterCertificateController implements FxController {
 	public void initialize() {
 		supporterCertificateField.setText(licenseHolder.getLicenseKey().orElse(null));
 		supporterCertificateField.textProperty().addListener(this::registrationKeyChanged);
-		supporterCertificateField.setTextFormatter(new TextFormatter<>(this::checkVaultNameLength));
+		supporterCertificateField.setTextFormatter(new TextFormatter<>(this::removeWhitespaces));
 	}
 
-	private TextFormatter.Change checkVaultNameLength(TextFormatter.Change change) {
+	private TextFormatter.Change removeWhitespaces(TextFormatter.Change change) {
 		if (change.isContentChange()) {
 			var strippedText = CharMatcher.whitespace().removeFrom(change.getText());
 			change.setText(strippedText);
diff --git a/src/main/java/org/cryptomator/ui/vaultoptions/GeneralVaultOptionsController.java b/src/main/java/org/cryptomator/ui/vaultoptions/GeneralVaultOptionsController.java
index a35b108d9..633797820 100644
--- a/src/main/java/org/cryptomator/ui/vaultoptions/GeneralVaultOptionsController.java
+++ b/src/main/java/org/cryptomator/ui/vaultoptions/GeneralVaultOptionsController.java
@@ -47,7 +47,7 @@ public class GeneralVaultOptionsController implements FxController {
 	public void initialize() {
 		vaultName.textProperty().set(vault.getVaultSettings().displayName().get());
 		vaultName.focusedProperty().addListener(this::trimVaultNameOnFocusLoss);
-		vaultName.setTextFormatter(new TextFormatter<>(this::removeWhitespaces));
+		vaultName.setTextFormatter(new TextFormatter<>(this::checkVaultNameLength));
 		unlockOnStartupCheckbox.selectedProperty().bindBidirectional(vault.getVaultSettings().unlockAfterStartup());
 		actionAfterUnlockChoiceBox.getItems().addAll(WhenUnlocked.values());
 		actionAfterUnlockChoiceBox.valueProperty().bindBidirectional(vault.getVaultSettings().actionAfterUnlock());
@@ -63,7 +63,7 @@ public class GeneralVaultOptionsController implements FxController {
 		}
 	}
 
-	private TextFormatter.Change removeWhitespaces(TextFormatter.Change change) {
+	private TextFormatter.Change checkVaultNameLength(TextFormatter.Change change) {
 		if (change.isContentChange() && change.getControlNewText().length() > VAULTNAME_TRUNCATE_THRESHOLD) {
 			return null; // reject any change that would lead to a text exceeding threshold
 		} else {