diff --git a/source/common/src/tdatablock.c b/source/common/src/tdatablock.c
index 04de2738e1..c1f2726629 100644
--- a/source/common/src/tdatablock.c
+++ b/source/common/src/tdatablock.c
@@ -1238,7 +1238,7 @@ SSDataBlock* createOneDataBlock(const SSDataBlock* pDataBlock, bool copyData) {
         return NULL;
       }
 
-      if (pSrc->pData== NULL) {
+      if (pSrc->pData== NULL || pDst->pData == NULL) {
         continue;
       }
       colDataAssign(pDst, pSrc, pDataBlock->info.rows);