diff --git a/source/dnode/vnode/src/tsdb/tsdbCache.c b/source/dnode/vnode/src/tsdb/tsdbCache.c
index 6a82517067..0fc5b617bb 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCache.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCache.c
@@ -1080,6 +1080,8 @@ static int32_t nextRowIterGet(CacheNextRowIter *pIter, TSDBROW **ppRow) {
 
           iMax[nMax] = i;
           max[nMax++] = pIter->input[i].pRow;
+        } else {
+          pIter->input[i].next = false;
         }
       }
     }