diff --git a/src/tsdb/src/tsdbMemTable.c b/src/tsdb/src/tsdbMemTable.c
index cd5f223f3da5c7595e3c267590b0be3047181daf..2df8ff26bd3874502698c7181d2dc1d532afa91e 100644
--- a/src/tsdb/src/tsdbMemTable.c
+++ b/src/tsdb/src/tsdbMemTable.c
@@ -232,7 +232,7 @@ void *tsdbAllocBytes(STsdbRepo *pRepo, int bytes) {
     }
 
     pNode->next = pNode->prev = NULL;
-    tdListAppend(pRepo->mem->extraBuffList, pNode);
+    tdListAppendNode(pRepo->mem->extraBuffList, pNode);
     ptr = (void *)(pNode->data);
     tsdbTrace("vgId:%d allocate %d bytes from SYSTEM buffer block", REPO_ID(pRepo), bytes);
   } else {  // allocate from TSDB buffer pool