diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index ee6911190027246d08608a848a11df3464205aee..f19c6e8368c44c0a7487b6af01c311e926c9045d 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -3030,6 +3030,7 @@ int32_t tscQueryInfoCopy(SQueryInfo* pQueryInfo, const SQueryInfo* pSrc) {
   pQueryInfo->numOfTables    = 0;
   pQueryInfo->window         = pSrc->window;
   pQueryInfo->sessionWindow  = pSrc->sessionWindow;
+  pQueryInfo->globalMerge    = pSrc->globalMerge;
   pQueryInfo->pTableMetaInfo = NULL;
 
   pQueryInfo->bufLen         = pSrc->bufLen;