diff --git a/src/libvgmstream.vcxproj.filters b/src/libvgmstream.vcxproj.filters
index c44ab4c9..06d4dcfd 100644
--- a/src/libvgmstream.vcxproj.filters
+++ b/src/libvgmstream.vcxproj.filters
@@ -254,6 +254,9 @@
     <ClInclude Include="meta\zsnd_streamfile.h">
       <Filter>meta\Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="coding\g7221_decoder_lib.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="formats.c">