diff --git a/source/libs/stream/src/streamBackendRocksdb.c b/source/libs/stream/src/streamBackendRocksdb.c
index 358795a4a2..fe9d78d8f9 100644
--- a/source/libs/stream/src/streamBackendRocksdb.c
+++ b/source/libs/stream/src/streamBackendRocksdb.c
@@ -2775,6 +2775,9 @@ int32_t streamStateGetKVByCur_rocksdb(SStreamStateCur* pCur, SWinKey* pKey, cons
       size_t      vlen = 0;
       const char* valStr = rocksdb_iter_value(pCur->iter, &vlen);
       *pVLen = valueDecode((void*)valStr, vlen, NULL, (char**)pVal);
+      if (*pVLen < 0) {
+        return -1;
+      }
     }
 
     *pKey = pKtmp->key;