diff --git a/source/libs/stream/src/streamBackendRocksdb.c b/source/libs/stream/src/streamBackendRocksdb.c
index 47bbbde24a..d090ed5e3e 100644
--- a/source/libs/stream/src/streamBackendRocksdb.c
+++ b/source/libs/stream/src/streamBackendRocksdb.c
@@ -1987,6 +1987,7 @@ int32_t streamStateSessionGet_rocksdb(SStreamState* pState, SSessionKey* key, vo
   }
 
   taosMemoryFree(tmp);
+  streamStateFreeCur(pCur);
   return code;
 }