diff --git a/code/Makefile b/code/Makefile
index 31a57d62c..028c09b53 100644
--- a/code/Makefile
+++ b/code/Makefile
@@ -13,7 +13,7 @@ leak:
 
 clean:
 	make -C /lib/modules/$(shell uname -r)/build M=$(shell pwd) clean
-	rm *.o
+	rm -f *.o
 
 insert: module
 	insmod lkm.ko