diff --git a/Platform/user/trace/trace-api/trace_api.c b/Platform/user/trace/trace-api/trace_api.c
index 6a64c31ba..52fe85ddf 100755
--- a/Platform/user/trace/trace-api/trace_api.c
+++ b/Platform/user/trace/trace-api/trace_api.c
@@ -134,7 +134,7 @@ static int trace_recv_handle(struct pdelivnl_ctrl_data *ctrl,
         case TRACE_CFG_POLICY_REPLY:
             reply = (trace_reply_t *)NLMSG_DATA(n);
             if (sizeof(*reply) < (n->nlmsg_len - NLMSG_HDRLEN)) {
-                SYSLOG_WARN("The length of the reply message is required to be %u, but fact length is %lu", 
+                SYSLOG_WARN("The length of the reply message is required to be %ld, but fact length is %u", 
                     sizeof(*reply), (n->nlmsg_len - NLMSG_HDRLEN));
                 break;
             }