diff --git a/win/win32/vs2017/NetHack.vcxproj b/win/win32/vs2017/NetHack.vcxproj
index 9d03bf187..bc49f9efc 100644
--- a/win/win32/vs2017/NetHack.vcxproj
+++ b/win/win32/vs2017/NetHack.vcxproj
@@ -31,7 +31,7 @@
   <ItemDefinitionGroup Condition="Exists('$(PDCURSES)')">
     <ClCompile>
       <AdditionalIncludeDirectories>$(PDCURSES);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>CURSES_GRAPHICS;CHTYPE_32;PDC_NCMOUSE;CURSES_DEFINE_ERASE_CHAR;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>CURSES_GRAPHICS;CHTYPE_32;PDC_NCMOUSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <AdditionalLibraryDirectories>$(ToolsDir)</AdditionalLibraryDirectories>