diff --git a/release/scripts/mgear/animbits/humanIkMapper.py b/release/scripts/mgear/animbits/humanIkMapper.py
index 9a3d0b51..4235101c 100644
--- a/release/scripts/mgear/animbits/humanIkMapper.py
+++ b/release/scripts/mgear/animbits/humanIkMapper.py
@@ -3,6 +3,7 @@
 import maya.cmds as cmds
 from maya import OpenMayaUI as omui
 from shiboken2 import wrapInstance
+from maya import mel
 
 import mgear
 from mgear.core import callbackManager
@@ -146,7 +147,7 @@ def initialize_character(cls):
                 0,
             )
 
-        pm.mel.hikUpdateDefinitionUI()
+        mel.eval("hikUpdateDefinitionUI();")
 
     @classmethod
     def is_initialized(cls):