diff --git a/source/libs/function/src/builtinsimpl.c b/source/libs/function/src/builtinsimpl.c
index 9aa7c11fced1df109cdcdc9491e25048acc0834e..b325848f112cae4d5fa01a5d856f9cf38a80a69c 100644
--- a/source/libs/function/src/builtinsimpl.c
+++ b/source/libs/function/src/builtinsimpl.c
@@ -4281,9 +4281,9 @@ static int32_t histogramFunctionImpl(SqlFunctionCtx* pCtx, bool isPartial) {
   }
 
   if (!isPartial) {
-    SET_VAL(GET_RES_INFO(pCtx), numOfElems, pInfo->numOfBins);
+    GET_RES_INFO(pCtx)->numOfRes = pInfo->numOfBins;
   } else {
-    SET_VAL(GET_RES_INFO(pCtx), numOfElems, 1);
+    GET_RES_INFO(pCtx)->numOfRes = 1;
   }
   return TSDB_CODE_SUCCESS;
 }