diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index 7af5a7df617e4b304736c6cb73b99785af39be25..1ea960a09bfc0b4f769779aaaf16fa452ffd79de 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -1147,10 +1147,10 @@ int tscBuildQueryMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
       *((int16_t *)pMsg) = htons(pCol->colId);
       pMsg += sizeof(pCol->colId);
 
-      *((int16_t *)pMsg) += htons(pCol->colIndex);
+      *((int16_t *)pMsg) = htons(pCol->colIndex);
       pMsg += sizeof(pCol->colIndex);
 
-      *((int16_t *)pMsg) += htons(pCol->flag);
+      *((int16_t *)pMsg) = htons(pCol->flag);
       pMsg += sizeof(pCol->flag);
 
       memcpy(pMsg, pCol->name, tListLen(pCol->name));