diff --git a/rigo/rigo/ui/gtk3/controllers/work.py b/rigo/rigo/ui/gtk3/controllers/work.py
index e97638191..781c7604c 100644
--- a/rigo/rigo/ui/gtk3/controllers/work.py
+++ b/rigo/rigo/ui/gtk3/controllers/work.py
@@ -280,7 +280,7 @@ class WorkViewController(GObject.Object):
                     escape_markup(msg),
                     more_msg,))
 
-    def set_application(self, app, daemon_action, queue_len=None):
+    def set_application(self, app, daemon_action):
         """
         Set Application information by providing its Application
         object.