diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c
index 630889f68b1d34808049694405850476f5c7a4d9..e854f420e033eb65a2bca233bb8df2e42778faf7 100644
--- a/kernel/trace/trace_event_perf.c
+++ b/kernel/trace/trace_event_perf.c
@@ -179,7 +179,7 @@ static int perf_trace_event_init(struct ftrace_event_call *tp_event,
 int perf_trace_init(struct perf_event *p_event)
 {
 	struct ftrace_event_call *tp_event;
-	int event_id = p_event->attr.config;
+	u64 event_id = p_event->attr.config;
 	int ret = -EINVAL;
 
 	mutex_lock(&event_mutex);