diff --git a/Makefile b/Makefile
index ea54d90..7cbb562 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ all: setup build
 build: firmware/$$(TIMESTAMP)-left.uf2 firmware/$$(TIMESTAMP)-right.uf2
 
 clean:
-	rm ./firmware/*.uf2
+	rm -f firmware/*.uf2
 
 firmware/%-left.uf2 firmware/%-right.uf2: config/adv360.keymap
 	docker run --rm -it --name zmk \