diff --git a/sys/windows/vs/NetHackW/NetHackW.vcxproj b/sys/windows/vs/NetHackW/NetHackW.vcxproj
index bcf2924b2..696436355 100644
--- a/sys/windows/vs/NetHackW/NetHackW.vcxproj
+++ b/sys/windows/vs/NetHackW/NetHackW.vcxproj
@@ -95,7 +95,7 @@
     <ResourceCompile>
       <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <Culture>0x0409</Culture>
-      <AdditionalIncludeDirectories>$(SndWavDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(SndWavDir);$(SysWindDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ResourceCompile>
     <Link>
       <SubSystem>Windows</SubSystem>