diff --git a/lib/tfw/components/process_managing_event_handler.py b/lib/tfw/components/process_managing_event_handler.py
index ebe0629..eae199a 100644
--- a/lib/tfw/components/process_managing_event_handler.py
+++ b/lib/tfw/components/process_managing_event_handler.py
@@ -1,4 +1,4 @@
-from tfw.event_handler_base import EventHandlerBase
+from tfw.event_handler_base import TriggerlessEventHandler
 from tfw.components.mixins import SupervisorMixin
 from tfw.config.logs import logging
 log = logging.getLogger(__name__)
@@ -15,7 +15,7 @@ class ProcessManager(SupervisorMixin):
         self.commands[command]()
 
 
-class ProcessManagingEventHandler(EventHandlerBase):
+class ProcessManagingEventHandler(TriggerlessEventHandler):
     def __init__(self, key, supervisor_process_name):
         super().__init__(key)
         self.processmanager = ProcessManager(supervisor_process_name)