diff --git a/PCbuild/pythoncore.vcproj b/PCbuild/pythoncore.vcproj
index 2ead78a7299..3bd740fbd45 100644
--- a/PCbuild/pythoncore.vcproj
+++ b/PCbuild/pythoncore.vcproj
@@ -623,7 +623,7 @@
RelativePath="..\Modules\mathmodule.c">
+ RelativePath="..\Modules\md5.c">