diff --git a/pyanaconda/ui/gui/__init__.py b/pyanaconda/ui/gui/__init__.py
index d2e16759e00..0e613d57ef6 100644
--- a/pyanaconda/ui/gui/__init__.py
+++ b/pyanaconda/ui/gui/__init__.py
@@ -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