diff --git a/MSVC/.gitignore b/MSVC/.gitignore
index ee16880e..d69cb772 100644
--- a/MSVC/.gitignore
+++ b/MSVC/.gitignore
@@ -244,4 +244,5 @@ _Pvt_Extensions
# FAKE - F# Make
.fake/
-!config.h
\ No newline at end of file
+!config.h
+contrib/build/
\ No newline at end of file
diff --git a/MSVC/opendht.vcxproj b/MSVC/opendht.vcxproj
index ca6a0313..57a1e62d 100644
--- a/MSVC/opendht.vcxproj
+++ b/MSVC/opendht.vcxproj
@@ -208,7 +208,7 @@ copy ..\include\opendht.h $(OutDir)\include\
true
true
true
- $(ProjectDir)contrib\build\include;$(ProjectDir)..\include;$(ProjectDir)..\include\opendht;$(ProjectDir)contrib\build\msgpack-c\include
+ $(ProjectDir)contrib\build\include;$(ProjectDir)..\include;$(ProjectDir)..\include\opendht;$(ProjectDir)contrib\build\msgpack-c\include;$(ProjectDir)..\argon2
_CRT_SECURE_NO_WARNINGS;WIN32_NATIVE;WIN32_LEAN_AND_MEAN;_MBCS;%(PreprocessorDefinitions)
4804;4800;4101;4267;4244;4503;
-D_SCL_SECURE_NO_WARNINGS %(AdditionalOptions)
diff --git a/MSVC/opendht.vcxproj.filters b/MSVC/opendht.vcxproj.filters
index 53b551a5..a2e97035 100644
--- a/MSVC/opendht.vcxproj.filters
+++ b/MSVC/opendht.vcxproj.filters
@@ -1,3 +1,43 @@
+
+
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+
\ No newline at end of file