diff --git a/disk/part_rkparm.c b/disk/part_rkparm.c
index b4a4359f4f..1d4a7d74fd 100644
--- a/disk/part_rkparm.c
+++ b/disk/part_rkparm.c
@@ -40,7 +40,7 @@ static int rkparm_param_parse(char *param, struct list_head *parts_head,
 	unsigned long size, start;
 
 	if (!cmdline) {
-		printf("invalid parameter\n");
+		debug("RKPARM: Invalid parameter part table\n");
 		return -EINVAL;
 	}