diff --git a/PCbuild/pythoncore.vcproj b/PCbuild/pythoncore.vcproj
index d220d35..aceb765 100644
--- a/PCbuild/pythoncore.vcproj
+++ b/PCbuild/pythoncore.vcproj
@@ -2486,9 +2486,6 @@
 			</FileConfiguration>
 		</File>
 		<File
-			RelativePath="..\Parser\pgen.c">
-		</File>
-		<File
 			RelativePath="..\Modules\posixmodule.c">
 			<FileConfiguration
 				Name="Release|Win32">
@@ -3227,7 +3224,31 @@
 			</FileConfiguration>
 		</File>
 		<File
-			RelativePath="..\Parser\tokenizer_pgen.c">
+			RelativePath="..\Parser\tokenizer.c">
+			<FileConfiguration
+				Name="Release|Win32">
+				<Tool
+					Name="VCCLCompilerTool"
+					Optimization="2"
+					AdditionalIncludeDirectories=""
+					PreprocessorDefinitions="NDEBUG;WIN32;_WINDOWS;USE_DL_EXPORT;$(NoInherit)"/>
+			</FileConfiguration>
+			<FileConfiguration
+				Name="Debug|Win32">
+				<Tool
+					Name="VCCLCompilerTool"
+					Optimization="0"
+					AdditionalIncludeDirectories=""
+					PreprocessorDefinitions="_DEBUG;USE_DL_EXPORT;WIN32;_WINDOWS;$(NoInherit)"/>
+			</FileConfiguration>
+			<FileConfiguration
+				Name="ReleaseItanium|Win32">
+				<Tool
+					Name="VCCLCompilerTool"
+					Optimization="2"
+					AdditionalIncludeDirectories=""
+					PreprocessorDefinitions="NDEBUG;WIN32;_WINDOWS;USE_DL_EXPORT;$(NoInherit)"/>
+			</FileConfiguration>
 		</File>
 		<File
 			RelativePath="..\Python\traceback.c">