diff --git a/source/libs/stream/src/streamTask.c b/source/libs/stream/src/streamTask.c
index 979d1960f1..e8ff1552e8 100644
--- a/source/libs/stream/src/streamTask.c
+++ b/source/libs/stream/src/streamTask.c
@@ -602,7 +602,7 @@ int32_t streamTaskStop(SStreamTask* pTask) {
     stError("failed to handle STOP event, s-task:%s", id);
   }
 
-  if (pTask->info.taskLevel != TASK_LEVEL__SINK) {
+  if ((pTask->info.taskLevel != TASK_LEVEL__SINK) && (pTask->exec.pExecutor != NULL)) {
     code = qKillTask(pTask->exec.pExecutor, TSDB_CODE_SUCCESS);
     if (code) {
       stError("s-task:%s failed to kill task related query handle", id);