diff --git a/src/util/src/tcache.c b/src/util/src/tcache.c
index a09185b8ad756b4f88203ce281cc54e37711a1c3..d763472a12dbff7ee7db6a2fc6b6a887e63a7465 100644
--- a/src/util/src/tcache.c
+++ b/src/util/src/tcache.c
@@ -255,7 +255,7 @@ SCacheObj *taosCacheInitWithCb(int32_t keyType, int64_t refreshTimeInSeconds, bo
     return NULL;
   }
 
-  pthread_attr_t thattr = {0};
+  pthread_attr_t thattr = {{0}};
   pthread_attr_init(&thattr);
   pthread_attr_setdetachstate(&thattr, PTHREAD_CREATE_JOINABLE);