diff --git a/source/dnode/vnode/src/tsdb/tsdbReadUtil.c b/source/dnode/vnode/src/tsdb/tsdbReadUtil.c
index d93c8c8f79..1fba39227c 100644
--- a/source/dnode/vnode/src/tsdb/tsdbReadUtil.c
+++ b/source/dnode/vnode/src/tsdb/tsdbReadUtil.c
@@ -484,7 +484,7 @@ void cleanupDataBlockIterator(SDataBlockIter* pIter, bool hasPk) {
   if (hasPk) {
     taosArrayDestroyEx(pIter->blockList, freePkItem);
   } else {
-    taosArrayClear(pIter->blockList);
+    taosArrayDestroy(pIter->blockList);
   }
 }