diff --git a/Source/Core/Common/Common.vcxproj b/Source/Core/Common/Common.vcxproj
index 479fb1d515..cf06dbf6bd 100644
--- a/Source/Core/Common/Common.vcxproj
+++ b/Source/Core/Common/Common.vcxproj
@@ -55,6 +55,7 @@
     <ClInclude Include="FileSearch.h" />
     <ClInclude Include="FileUtil.h" />
     <ClInclude Include="FixedSizeQueue.h" />
+    <ClInclude Include="Flag.h" />
     <ClInclude Include="FPURoundMode.h" />
     <ClInclude Include="GekkoDisassembler.h" />
     <ClInclude Include="Hash.h" />
diff --git a/Source/Core/Common/Common.vcxproj.filters b/Source/Core/Common/Common.vcxproj.filters
index 4496dc7565..24c1d64f73 100644
--- a/Source/Core/Common/Common.vcxproj.filters
+++ b/Source/Core/Common/Common.vcxproj.filters
@@ -29,6 +29,7 @@
     <ClInclude Include="FileSearch.h" />
     <ClInclude Include="FileUtil.h" />
     <ClInclude Include="FixedSizeQueue.h" />
+    <ClInclude Include="Flag.h" />
     <ClInclude Include="FPURoundMode.h" />
     <ClInclude Include="Hash.h" />
     <ClInclude Include="IniFile.h" />