diff --git a/source/libs/scalar/src/scalar.c b/source/libs/scalar/src/scalar.c
index 9428f051aa..0ee1941717 100644
--- a/source/libs/scalar/src/scalar.c
+++ b/source/libs/scalar/src/scalar.c
@@ -594,7 +594,7 @@ int32_t sclInitOperatorParams(SScalarParam **pParams, SOperatorNode *node, SScal
   return TSDB_CODE_SUCCESS;
 
 _return:
-  taosMemoryFreeClear(paramList);
+  sclFreeParamList(paramList, paramNum);
   SCL_RET(code);
 }