diff --git a/build/vc2013/nana.vcxproj.filters b/build/vc2013/nana.vcxproj.filters
index f0f82981..1b098164 100644
--- a/build/vc2013/nana.vcxproj.filters
+++ b/build/vc2013/nana.vcxproj.filters
@@ -301,4 +301,9 @@
       <Filter>Source Files\nana\gui\widgets</Filter>
     </ClCompile>
   </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\include\nana\filesystem\filesystem.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
 </Project>
\ No newline at end of file