diff --git a/source/libs/function/src/builtins.c b/source/libs/function/src/builtins.c
index 4631c15c21d2d3493bf9d9edaf6fc223d9e8c567..74efe6a06c778659c897a9d622219b20560e9521 100644
--- a/source/libs/function/src/builtins.c
+++ b/source/libs/function/src/builtins.c
@@ -1540,6 +1540,8 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
     .processFunc  = topFunction,
     .finalizeFunc = topBotFinalize,
     .combineFunc  = topCombine,
+    .pPartialFunc = "_top_partial",
+    .pMergeFunc   = "_top_merge"
   },
   {
     .name = "_top_partial",