diff --git a/platform/Windows/build.vcxproj.filters b/platform/Windows/build.vcxproj.filters
index d92070762..230b56ba5 100644
--- a/platform/Windows/build.vcxproj.filters
+++ b/platform/Windows/build.vcxproj.filters
@@ -291,16 +291,16 @@
     <ClInclude Include="..\..\source\build\include\libdivide.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\source\build\include\lz4.h">
+    <ClInclude Include="..\..\source\thirdparty\include\lz4.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\source\build\include\md4.h">
+    <ClInclude Include="..\..\source\thirdparty\include\md4.h">
       <Filter>Header Files</Filter>
     </ClInclude>
     <ClInclude Include="..\..\source\build\include\mdsprite.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\source\build\include\miniz.h">
+    <ClInclude Include="..\..\source\thirdparty\include\miniz.h">
       <Filter>Header Files</Filter>
     </ClInclude>
     <ClInclude Include="..\..\source\build\include\mmulti.h">
@@ -363,8 +363,8 @@
     <ClInclude Include="..\..\source\build\include\sdlayer.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\source\build\include\sjson.h">
-      <Filter>Header Files</Filter>
+    <ClInclude Include="..\..\source\thirdparty\include\sjson.h">
+      <Filter>Third Party</Filter>
     </ClInclude>
     <ClInclude Include="..\..\source\build\include\softsurface.h">
       <Filter>Header Files</Filter>
diff --git a/source/build/include/sjson.h b/source/thirdparty/include/sjson.h
similarity index 100%
rename from source/build/include/sjson.h
rename to source/thirdparty/include/sjson.h