diff --git a/source/libs/stream/src/streamBackendRocksdb.c b/source/libs/stream/src/streamBackendRocksdb.c
index 8534f3b0a1..f6161a4767 100644
--- a/source/libs/stream/src/streamBackendRocksdb.c
+++ b/source/libs/stream/src/streamBackendRocksdb.c
@@ -1625,9 +1625,11 @@ int32_t streamStateSessionGetKVByCur_rocksdb(SStreamStateCur* pCur, SSessionKey*
   if (pVLen != NULL) *pVLen = len;
 
   if (pKTmp->opNum != pCur->number) {
+    taosMemoryFree(val);
     return -1;
   }
   if (pKey->groupId != 0 && pKey->groupId != pKTmp->key.groupId) {
+    taosMemoryFree(val);
     return -1;
   }
   *pKey = pKTmp->key;