diff --git a/pitivi/ui/prefs.py b/pitivi/ui/prefs.py
index 7ce114b..e1d8e8b 100644
--- a/pitivi/ui/prefs.py
+++ b/pitivi/ui/prefs.py
@@ -31,12 +31,12 @@ from pitivi.settings import GlobalSettings
 GlobalSettings.addConfigOption('prefsDialogWidth',
     section = "user-interface",
     key = "prefs-dialog-width",
-    default = 400)
+    default = 600)
 
 GlobalSettings.addConfigOption('prefsDialogHeight',
     section = "user-interface",
     key = "prefs-dialog-height",
-    default = 300)
+    default = 400)
 
 class PreferencesDialog(gtk.Window):
 
