diff --git a/polymer/eduke32/eduke32.vcxproj b/polymer/eduke32/eduke32.vcxproj
index 8e8755496..69e4d2f58 100644
--- a/polymer/eduke32/eduke32.vcxproj
+++ b/polymer/eduke32/eduke32.vcxproj
@@ -109,6 +109,7 @@
     <ClInclude Include="build\include\kplib.h" />
     <ClInclude Include="build\include\libdivide.h" />
     <ClInclude Include="build\include\lzwnew.h" />
+    <ClInclude Include="build\include\md4.h" />
     <ClInclude Include="build\include\mdsprite.h" />
     <ClInclude Include="build\include\mmulti.h" />
     <ClInclude Include="build\include\mutex.h" />
@@ -234,6 +235,7 @@
     <ClCompile Include="build\src\build.c" />
     <ClCompile Include="build\src\cache1d.c" />
     <ClCompile Include="build\src\colmatch.c" />
+    <ClCompile Include="build\src\common.c" />
     <ClCompile Include="build\src\compat.c" />
     <ClCompile Include="build\src\config.c" />
     <ClCompile Include="build\src\crc32.c" />
@@ -247,6 +249,7 @@
     <ClCompile Include="build\src\jwzgles.c" />
     <ClCompile Include="build\src\kplib.c" />
     <ClCompile Include="build\src\lzwnew.c" />
+    <ClCompile Include="build\src\md4.c" />
     <ClCompile Include="build\src\mdsprite.c" />
     <ClCompile Include="build\src\mutex.c" />
     <ClCompile Include="build\src\osd.c" />
diff --git a/polymer/eduke32/eduke32.vcxproj.filters b/polymer/eduke32/eduke32.vcxproj.filters
index 4f102dde5..023d76db1 100644
--- a/polymer/eduke32/eduke32.vcxproj.filters
+++ b/polymer/eduke32/eduke32.vcxproj.filters
@@ -501,6 +501,9 @@
     <ClInclude Include="source\jaudiolib\include\drivers.h">
       <Filter>jaudiolib\headers</Filter>
     </ClInclude>
+    <ClInclude Include="build\include\md4.h">
+      <Filter>build\headers</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="build\src\a-c.c">
@@ -881,6 +884,12 @@
     <ClCompile Include="build\src\colmatch.c">
       <Filter>build\source</Filter>
     </ClCompile>
+    <ClCompile Include="build\src\common.c">
+      <Filter>build\source</Filter>
+    </ClCompile>
+    <ClCompile Include="build\src\md4.c">
+      <Filter>build\source</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <None Include="Makefile.msvc">