diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 1bda4ec..5eba1ce 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -2140,7 +2140,7 @@ static struct test_filter_data_t {
 #undef YES
 #undef NO
 
-#define DATA_CNT (sizeof(test_filter_data)/sizeof(struct test_filter_data_t))
+#define DATA_CNT ARRAY_SIZE(test_filter_data)
 
 static int test_pred_visited;