diff --git a/source/dnode/vnode/src/tsdb/tsdbRead2.c b/source/dnode/vnode/src/tsdb/tsdbRead2.c
index cecc52c51c..34280326a0 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead2.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead2.c
@@ -211,7 +211,7 @@ static int32_t updateBlockSMAInfo(STSchema* pSchema, SBlockLoadSuppInfo* pSupInf
   while (i < pSchema->numOfCols && j < pSupInfo->numOfCols) {
     STColumn* pTCol = &pSchema->columns[i];
     if (pTCol->colId == pSupInfo->colId[j]) {
-      if (!IS_BSMA_ON(pTCol)) {
+      if (!IS_BSMA_ON(pTCol) && (PRIMARYKEY_TIMESTAMP_COL_ID != pTCol->colId)) {
         pSupInfo->smaValid = false;
         return TSDB_CODE_SUCCESS;
       }