diff --git a/sys/windows/vs/NetHack/NetHack.vcxproj b/sys/windows/vs/NetHack/NetHack.vcxproj
index b0de602dd..b725a66e4 100644
--- a/sys/windows/vs/NetHack/NetHack.vcxproj
+++ b/sys/windows/vs/NetHack/NetHack.vcxproj
@@ -151,6 +151,7 @@
     <ClCompile Include="$(SrcDir)trap.c" />
     <ClCompile Include="$(SrcDir)uhitm.c" />
     <ClCompile Include="$(SrcDir)u_init.c" />
+    <ClCompile Include="$(SrcDir)utf8map.c" />
     <ClCompile Include="$(SrcDir)vault.c" />
     <ClCompile Include="$(SrcDir)version.c" />
     <ClCompile Include="$(SrcDir)vision.c" />
@@ -269,4 +270,4 @@
   <Target Name="AfterRebuild">
     <MSBuild Projects="afternethack.proj" Targets="Build" Properties="Configuration=$(Configuration)" />
   </Target>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/sys/windows/vs/NetHackW/NetHackW.vcxproj b/sys/windows/vs/NetHackW/NetHackW.vcxproj
index c3b291e50..c00d557ec 100644
--- a/sys/windows/vs/NetHackW/NetHackW.vcxproj
+++ b/sys/windows/vs/NetHackW/NetHackW.vcxproj
@@ -146,6 +146,7 @@
     <ClCompile Include="$(SrcDir)trap.c" />
     <ClCompile Include="$(SrcDir)uhitm.c" />
     <ClCompile Include="$(SrcDir)u_init.c" />
+    <ClCompile Include="$(SrcDir)utf8map.c" />
     <ClCompile Include="$(SrcDir)vault.c" />
     <ClCompile Include="$(SrcDir)version.c" />
     <ClCompile Include="$(SrcDir)vision.c" />
@@ -305,4 +306,4 @@
   <Target Name="AfterRebuild">
     <MSBuild Projects="$(vsDir)NetHack\afternethack.proj" Targets="Build" Properties="Configuration=$(Configuration)" />
   </Target>
-</Project>
\ No newline at end of file
+</Project>