diff --git a/imperative/python/megengine/distributed/functional.py b/imperative/python/megengine/distributed/functional.py
index 453d3ba557b0f7c39dd974f7188be7dca7cc102e..d832ae86c1eb711f748fa01d433ec3a465b2217f 100644
--- a/imperative/python/megengine/distributed/functional.py
+++ b/imperative/python/megengine/distributed/functional.py
@@ -196,6 +196,13 @@ def broadcast(
     return out
 
 
+def _bcast_param(
+    inp: Tensor, group: Optional[Group] = WORLD, device: Optional[str] = ""
+) -> Tensor:
+    mode = CollectiveComm.Mode.BROADCAST
+    return collective_comm(inp, mode, group, device)
+
+
 def all_gather(
     inp: Tensor, group: Optional[Group] = WORLD, device: Optional[str] = ""
 ) -> Tensor:
diff --git a/imperative/python/megengine/distributed/helper.py b/imperative/python/megengine/distributed/helper.py
index 0a67f2dd7264c58269ea0f22e356e6e5c9c94573..c0743958a31c3ea5cbcf0fecbbfce01d3dc3a78d 100644
--- a/imperative/python/megengine/distributed/helper.py
+++ b/imperative/python/megengine/distributed/helper.py
@@ -22,7 +22,7 @@ from ..core.ops.builtin import ParamPackConcat, ParamPackSplit
 from ..functional.tensor import copy
 from ..tensor import Tensor
 from ..utils.future import Future
-from .functional import all_reduce_sum, broadcast
+from .functional import _bcast_param, all_reduce_sum, broadcast
 from .group import WORLD, Group, group_barrier, is_distributed
 
 
@@ -186,7 +186,7 @@ def bcast_list_(inps: list, group: Group = WORLD):
     :param group: communication group.
     """
     for inp in inps:
-        inp._reset(broadcast(inp, group))
+        inp._reset(_bcast_param(inp, group))
 
 
 class AllreduceCallback: