diff --git a/Makefile b/Makefile
index 92454cf8..ec3b9ad3 100644
--- a/Makefile
+++ b/Makefile
@@ -54,7 +54,7 @@ clean:
 	rm -f ocid.conf
 	rm -f ocic ocid
 	rm -f ${OCID_LINK}
-	rm -f docs/*.1 docs/*.5{,.gz} docs/*.8{,.gz}
+	rm -f docs/*.5 docs/*.5.gz docs/*.8 docs/*.8.gz
 	find . -name \*~ -delete
 	find . -name \#\* -delete
 	make -C conmon clean