diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 2ec87075c6223c29c2bbfd60adbe54601f3f7774..d4341956b0f8d61f961624bd6a13e48f6926b20b 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -6985,7 +6985,7 @@ SOperatorInfo* createSLimitOperatorInfo(SQueryRuntimeEnv* pRuntimeEnv, SOperator
   pInfo->slimit          = pQueryAttr->slimit;
   pInfo->limit           = pQueryAttr->limit;
   pInfo->capacity        = pRuntimeEnv->resultInfo.capacity;
-  pInfo->threshold       = pInfo->capacity * 0.8;
+  pInfo->threshold       = (int64_t)(pInfo->capacity * 0.8);
   pInfo->currentOffset   = pQueryAttr->limit.offset;
   pInfo->currentGroupOffset = pQueryAttr->slimit.offset;
   pInfo->multigroupResult= multigroupResult;