diff --git a/src/service/service/task_scheduler/TaskScheduler.py b/src/service/service/task_scheduler/TaskScheduler.py
index 5f2bc90405cec790cc16a86291c476a4c421d263..a522aad4ba5a37ccd064ce35742732a08abcf6c7 100644
--- a/src/service/service/task_scheduler/TaskScheduler.py
+++ b/src/service/service/task_scheduler/TaskScheduler.py
@@ -212,7 +212,7 @@ class TasksScheduler:
                 # service handler, so we choose the first one retrieved.
                 if len(classes_service_handlers) < 1:
                     raise Exception('Unsupported case: {:s}'.format(str(classes_service_handlers)))
-                class_service_handler,_ = classes_service_handlers.values()[0]
+                class_service_handler,_ = list(classes_service_handlers.values())[0]
             if class_service_handler.check_media_channel(connection_uuid):
                 has_media_channel = True
             else :