diff --git a/source/dnode/vnode/src/tq/tqUtil.c b/source/dnode/vnode/src/tq/tqUtil.c
index 67fb818ff4c47c53525cdc28e94e760386bafede..87cd7821af3bda41ecfdf2fec970253aa21d993c 100644
--- a/source/dnode/vnode/src/tq/tqUtil.c
+++ b/source/dnode/vnode/src/tq/tqUtil.c
@@ -446,7 +446,7 @@ int32_t extractDelDataBlock(const void* pData, int32_t len, int64_t ver, SStream
 
   taosArrayDestroy(pRes->uidList);
   *pRefBlock = taosAllocateQitem(sizeof(SStreamRefDataBlock), DEF_QITEM, 0);
-  if (pRefBlock == NULL) {
+  if (*pRefBlock == NULL) {
     return TSDB_CODE_OUT_OF_MEMORY;
   }