diff --git a/src/lolcore.vcxproj.filters b/src/lolcore.vcxproj.filters
index 09b11634..b0a1a967 100644
--- a/src/lolcore.vcxproj.filters
+++ b/src/lolcore.vcxproj.filters
@@ -343,6 +343,11 @@
     <ClCompile Include="easymesh\easymeshbuild.cpp">
       <Filter>easymesh</Filter>
     </ClCompile>
+    <ClCompile Include="image\codec\zed-image.cpp" />
+    <ClCompile Include="image\codec\zed-palette-image.cpp" />
+    <ClCompile Include="sys\thread.cpp">
+      <Filter>sys</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="debug\fps.h">