diff --git a/sys/windows/vs/NetHack/NetHack.vcxproj b/sys/windows/vs/NetHack/NetHack.vcxproj
index db2654f49..cc3164e39 100644
--- a/sys/windows/vs/NetHack/NetHack.vcxproj
+++ b/sys/windows/vs/NetHack/NetHack.vcxproj
@@ -35,7 +35,7 @@
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
       <AdditionalIncludeDirectories>$(WinWin32Dir);$(IncDir);$(SysWindDir);$(SysShareDir);$(WinShareDir);$(LuaDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32CON;NO_TILE_C;DLB;SAFEPROCS;SND_LIB_WINDSOUND;_LIB;HAS_STDINT_H;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32CON;NO_TILE_C;DLB;SAFEPROCS;SND_LIB_WINDSOUND;USER_SOUNDS;_LIB;HAS_STDINT_H;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;winmm.lib;Winmm.lib;bcrypt.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/sys/windows/vs/NetHackW/NetHackW.vcxproj b/sys/windows/vs/NetHackW/NetHackW.vcxproj
index e1a133654..c1ffb6a72 100644
--- a/sys/windows/vs/NetHackW/NetHackW.vcxproj
+++ b/sys/windows/vs/NetHackW/NetHackW.vcxproj
@@ -27,7 +27,7 @@
       <Optimization>Disabled</Optimization>
       <OmitFramePointers>true</OmitFramePointers>
       <AdditionalIncludeDirectories>$(WinWin32Dir);$(IncDir);$(SysWindDir);$(SysShareDir);$(WinShareDir);$(LuaDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>TILES;_WINDOWS;DLB;MSWIN_GRAPHICS;SAFEPROCS;NOTTYGRAPHICS;SND_LIB_WINDSOUND;HAS_STDINT_H;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>TILES;_WINDOWS;DLB;MSWIN_GRAPHICS;SAFEPROCS;NOTTYGRAPHICS;SND_LIB_WINDSOUND;USER_SOUNDS;HAS_STDINT_H;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DisableSpecificWarnings Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">4820;4706;4244;4245;4100;4310</DisableSpecificWarnings>
       <DisableSpecificWarnings Condition="'$(Configuration)|$(Platform)'=='Release|x64'">4820;4706;4244;4245;4100;4310</DisableSpecificWarnings>
     </ClCompile>