diff --git a/Makefile b/Makefile
index 5b96b7880b8b20f410f5b94e0a44a20727cf5ba7..ef086a9c2bb1b0d9edf8e7f021b3385789e93d44 100644
--- a/Makefile
+++ b/Makefile
@@ -275,7 +275,7 @@ else
 endif
 
 clean:
-	@rm lib/*
+	@rm -rf lib/*
 	@rm -rf build/
 	@unlink branding/assets/default || true