diff --git a/t/Makefile b/t/Makefile
index f0def07..9e6d9dc 100644
--- a/t/Makefile
+++ b/t/Makefile
@@ -10,4 +10,4 @@ modules: modules.sh
 	./modules.sh > modules.t
 
 clean:
-	-rm *~ modules.t
+	rm -vf *~ modules.t