diff --git a/wicd/gui.py b/wicd/gui.py
index 58aefc6..b1a3065 100644
--- a/wicd/gui.py
+++ b/wicd/gui.py
@@ -241,8 +241,10 @@ class appGui(object):
         if width > -1 and height > -1:
             self.window.resize(int(width), int(height))
         else:
-            self.window.resize(gtk.gdk.screen_width() / 3, 
-                               gtk.gdk.screen_height() / 2)
+            width = int(gtk.gdk.screen_width() / 2)
+            if width > 530:
+                width = 530
+            self.window.resize(width, int(gtk.gdk.screen_height() / 1.7))
 
         dic = { "refresh_clicked" : self.refresh_clicked, 
                 "quit_clicked" : self.exit, 
diff --git a/wicd/prefs.py b/wicd/prefs.py
index 717cdfa..29f5c12 100644
--- a/wicd/prefs.py
+++ b/wicd/prefs.py
@@ -254,8 +254,10 @@ class PreferencesDialog(object):
         if width > -1 and height > -1:
             self.dialog.resize(int(width), int(height))
         else:
-            self.dialog.resize(gtk.gdk.screen_width() / 3, 
-                               gtk.gdk.screen_height() / 2)
+            width = int(gtk.gdk.screen_width() / 2.4)
+            if width > 450:
+                width = 450
+            self.dialog.resize(width, int(gtk.gdk.screen_height() / 2))
             
         self.wiredcheckbox = setup_label("pref_always_check",
                                          'wired_always_on')
diff --git a/wicd/wicd-daemon.py b/wicd/wicd-daemon.py
index 223ed46..b12e0e4 100644
--- a/wicd/wicd-daemon.py
+++ b/wicd/wicd-daemon.py
@@ -632,13 +632,13 @@ class WicdDaemon(dbus.service.Object):
         
         """
         if win_name == "main":
-            default_width = 605
-            default_height = 400
+            default_width = -1
+            default_height = -1
             width_str = "window_width"
             height_str = "window_height"
         else:
-            default_width = 125
-            default_height = 500
+            default_width = -1
+            default_height = -1
             width_str = "pref_width"
             height_str = "pref_height"