diff --git a/Makefile b/Makefile
index e15cdc3f055f8050a158952350ca8b5ecfb9f70e..35b4f793c3a8e1dac9d1b16eeb0d90b9b7c9224a 100644
--- a/Makefile
+++ b/Makefile
@@ -23,3 +23,4 @@ test:
 .PHONY: clean
 clean:
 	rm -rf test/install
+	rm -f mio2 mio3