diff --git a/api_drivers/common_api_drivers/frozen/other/task_handler.py b/api_drivers/common_api_drivers/frozen/other/task_handler.py
index 67c85fa3..99e9f4a1 100644
--- a/api_drivers/common_api_drivers/frozen/other/task_handler.py
+++ b/api_drivers/common_api_drivers/frozen/other/task_handler.py
@@ -82,9 +82,9 @@ def add_event_cb(self, callback, event, user_data=_DefaultUserData):
             self._callbacks.append((callback, event, user_data))
 
     def remove_event_cb(self, callback):
-        for i, obj in self._callbacks:
-            if obj[0] == callback:
-                self._callbacks.remove(obj)
+        for (cb, evt, data) in self._callbacks:
+            if cb == callback:
+                self._callbacks.remove((cb,evt,data))
                 break
 
     def deinit(self):