diff --git a/source/client/src/clientImpl.c b/source/client/src/clientImpl.c
index 73374c7f77..387f97b8a4 100644
--- a/source/client/src/clientImpl.c
+++ b/source/client/src/clientImpl.c
@@ -2101,8 +2101,9 @@ TAOS_RES* taosQueryImpl(TAOS* taos, const char* sql, bool validateOnly) {
 
   taosAsyncQueryImpl(*(int64_t*)taos, sql, syncQueryFn, param, validateOnly);
   tsem_wait(&param->sem);
-
-  param->pRequest->syncQuery = true;
+  if (param->pRequest != NULL) {
+    param->pRequest->syncQuery = true;
+  }
   return param->pRequest;
 #else
   size_t sqlLen = strlen(sql);