diff --git a/build/win32/Makefile.am b/build/win32/Makefile.am
index 6a1a6c31d4..b94f61216f 100644
--- a/build/win32/Makefile.am
+++ b/build/win32/Makefile.am
@@ -39,6 +39,7 @@ EXTRA_DIST +=	\
 	config-msvc.mak		\
 	config-msvc.mak.in		\
 	detectenv-msvc.mak		\
+	gen-gdkversionmacros-h.py	\
 	generate-msvc.mak	\
 	gtk-introspection-msvc.mak	\
 	introspection-msvc.mak		\