diff --git a/src/main.py b/src/main.py
index dddd339bd3c364380d3d0c320e9253ae7ffa23a2..4e5a6f134f5feaa15d4252d2ef4d546ae2885cf9 100755
--- a/src/main.py
+++ b/src/main.py
@@ -19,6 +19,7 @@ class Application(Gtk.Application):
     def __init__(self):
         super().__init__(application_id='com.example.title_bar')
         GLib.set_application_name('Title Bar')
+        GLib.set_prgname('com.example.title_bar')
 
     def do_activate(self):
         window = Gtk.ApplicationWindow(application=self)