diff --git a/Makefile b/Makefile
index cbd271d..9d335b2 100644
--- a/Makefile
+++ b/Makefile
@@ -25,7 +25,7 @@ custom:
 clean:
 	rm -f gocui *.so go.*
 	rm -f *.pb.go *.patch
-	go-mod-clean --purge
+	go-mod-clean purge
 
 # Test the README.md & doc.go file
 # this runs pkgsite, the binary that does dev.go.dev