diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index e556e9d3af..ea2dd5863c 100644
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -1177,7 +1177,7 @@ MAINTAINERCLEANFILES = \
 	$(print_portal_built_sources)		\
 	$(stamp_files)
 
-DISTCLEANFILES =
+DISTCLEANFILES = gtktypefuncs.c
 
 if OS_WIN32
 DISTCLEANFILES += gtk-win32.rc