diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index 9a922850f1..0408275fd3 100644
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -341,6 +341,8 @@ EXTRA_DIST = \
 	gtk.defs		\
 	genmarshal.pl		\
 	gtkmarshal.list		\
+	check-y.xpm		\
+	check-n.xpm		\
 	test.xpm		\
 	marble.xpm		\
 	3DRings.xpm		\