diff --git a/pyanaconda/ui/gui/__init__.py b/pyanaconda/ui/gui/__init__.py
index d2e16759e00..5dc8abb829c 100644
--- a/pyanaconda/ui/gui/__init__.py
+++ b/pyanaconda/ui/gui/__init__.py
@@ -31,7 +31,7 @@
 gi.require_version("GdkPixbuf", "2.0")
 gi.require_version("GObject", "2.0")
 
-from gi.repository import Gdk, Gtk, AnacondaWidgets, GdkPixbuf, GObject
+from gi.repository import Gdk, Gtk, AnacondaWidgets, GdkPixbuf, GObject, GLib
 
 from pyanaconda.flags import flags
 from pyanaconda.core.i18n import _, C_
@@ -520,6 +520,7 @@ def __init__(self, storage, payload,
 
         self.data = None
 
+        GLib.set_prgname("liveinst")    # matches liveinst.desktop filename
         self.mainWindow = MainWindow(fullscreen=fullscreen, decorated=False)
 
         self._distributionText = distributionText