diff --git a/gui/mainFrame.py b/gui/mainFrame.py
index 6f89df091..6d0d87ce9 100644
--- a/gui/mainFrame.py
+++ b/gui/mainFrame.py
@@ -372,8 +372,7 @@ class MainFrame(wx.Frame):
 
     def showPreferenceDialog(self, event):
         dlg = PreferenceDialog(self)
-        dlg.ShowModal()
-        dlg.Destroy()
+        dlg.Show()
 
     def goWiki(self, event):
         wx.LaunchDefaultBrowser('https://github.com/DarkFenX/Pyfa/wiki')