diff --git a/source/dnode/vnode/src/tsdb/tsdbRead.c b/source/dnode/vnode/src/tsdb/tsdbRead.c
index 62b121e4d7..ea84910d17 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead.c
@@ -3433,6 +3433,7 @@ static int32_t buildBlockFromBufferSequentially(STsdbReader* pReader) {
       if (!hasNexTable) {
         return TSDB_CODE_SUCCESS;
       }
+      pBlockScanInfo = pStatus->pTableIter;
     }
     
     initMemDataIterator(*pBlockScanInfo, pReader);