diff --git a/PCbuild/pythoncore.vcproj b/PCbuild/pythoncore.vcproj
index 0168f739111..063c0ce6ca3 100644
--- a/PCbuild/pythoncore.vcproj
+++ b/PCbuild/pythoncore.vcproj
@@ -440,8 +440,11 @@
RelativePath="..\Objects\boolobject.c">
+ RelativePath="..\Objects\bytes_methods.c">
+
+