diff --git a/win/win32/vs/NetHack.vcxproj b/win/win32/vs/NetHack.vcxproj
index c2dd05dc4..651ff2f7b 100644
--- a/win/win32/vs/NetHack.vcxproj
+++ b/win/win32/vs/NetHack.vcxproj
@@ -44,6 +44,7 @@
   <ItemGroup>
     <ClCompile Include="@(Lua)">
       <DisableSpecificWarnings>4701;4702;4244;4310;4774</DisableSpecificWarnings>
+      <AdditionalOptions>%(AdditionalOptions) /wd4774</AdditionalOptions>
     </ClCompile>
     <ClCompile Include="$(SrcDir)allmain.c" />
     <ClCompile Include="$(SrcDir)alloc.c" />
diff --git a/win/win32/vs/NetHackW.vcxproj b/win/win32/vs/NetHackW.vcxproj
index 98338781a..6526fb8eb 100644
--- a/win/win32/vs/NetHackW.vcxproj
+++ b/win/win32/vs/NetHackW.vcxproj
@@ -38,6 +38,7 @@
   <ItemGroup>
     <ClCompile Include="@(Lua)">
       <DisableSpecificWarnings>4701;4702;4244;4310;4774</DisableSpecificWarnings>
+      <AdditionalOptions>%(AdditionalOptions) /wd4774</AdditionalOptions>
     </ClCompile>
     <ClCompile Include="$(SrcDir)allmain.c" />
     <ClCompile Include="$(SrcDir)alloc.c" />