diff --git a/src/util/src/tcache.c b/src/util/src/tcache.c
index 3ce051fcee..ac06cf4f3f 100644
--- a/src/util/src/tcache.c
+++ b/src/util/src/tcache.c
@@ -254,7 +254,7 @@ SCacheObj *taosCacheInitWithCb(int64_t refreshTime, void (*freeCb)(void *data))
     return NULL;
   }
 
-  pthread_attr_t thattr = {0};
+  pthread_attr_t thattr;
   pthread_attr_init(&thattr);
   pthread_attr_setdetachstate(&thattr, PTHREAD_CREATE_JOINABLE);
 
@@ -625,4 +625,4 @@ void* taosCacheRefresh(void *handle) {
   }
 
   return NULL;
-}
\ No newline at end of file
+}