diff --git a/po/Makefile.hack.in b/po/Makefile.hack.in
index 09f4eef47..362d3a45a 100644
--- a/po/Makefile.hack.in
+++ b/po/Makefile.hack.in
@@ -18,3 +18,5 @@ strip-po:
 		echo; echo Please remove the deleted files from LINGUAS!; echo; \
 	fi
 
+clean: mostlyclean
+	rm -f *~