diff --git a/win/Projects/libmpg123/libmpg123.vcxproj b/win/Projects/libmpg123/libmpg123.vcxproj
index 978ff429a..2f15277e7 100644
--- a/win/Projects/libmpg123/libmpg123.vcxproj
+++ b/win/Projects/libmpg123/libmpg123.vcxproj
@@ -138,6 +138,7 @@
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\..\lib-src\mpglib\common.h" />
+    <ClInclude Include="..\..\..\lib-src\mpglib\config.h" />
     <ClInclude Include="..\..\..\lib-src\mpglib\dct64_i386.h" />
     <ClInclude Include="..\..\..\lib-src\mpglib\decode_i386.h" />
     <ClInclude Include="..\..\..\lib-src\mpglib\huffman.h" />
@@ -154,4 +155,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>
\ No newline at end of file
diff --git a/win/Projects/libmpg123/libmpg123.vcxproj.filters b/win/Projects/libmpg123/libmpg123.vcxproj.filters
index 51c79d1e4..39fa0f777 100644
--- a/win/Projects/libmpg123/libmpg123.vcxproj.filters
+++ b/win/Projects/libmpg123/libmpg123.vcxproj.filters
@@ -66,6 +66,9 @@
     <ClInclude Include="..\..\..\lib-src\mpglib\tabinit.h">
       <Filter>Include</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\lib-src\mpglib\config.h">
+      <Filter>Include</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Filter Include="Include">