diff --git a/src/query/src/qParserImpl.c b/src/query/src/qParserImpl.c
index 9edcdb008308711ce59f3d2642ab9d550165adcc..4481ff5e8fbbf0244ec664e4c699e4747ebd7e92 100644
--- a/src/query/src/qParserImpl.c
+++ b/src/query/src/qParserImpl.c
@@ -225,7 +225,7 @@ tSQLExpr *tSQLExprCreate(tSQLExpr *pLeft, tSQLExpr *pRight, int32_t optrType) {
       tSQLExprDestroy(pLeft);
       tSQLExprDestroy(pRight);
 
-    } else if (pLeft->nSQLOptr == TK_FLOAT || pRight->nSQLOptr == TK_FLOAT) {
+    } else if ((pLeft->nSQLOptr == TK_FLOAT && pRight->nSQLOptr == TK_INTEGER) || (pLeft->nSQLOptr == TK_INTEGER && pRight->nSQLOptr == TK_FLOAT)) {
       pExpr->val.nType = TSDB_DATA_TYPE_DOUBLE;
       pExpr->nSQLOptr  = TK_FLOAT;