diff --git a/gui/Gui/Error.py b/gui/Gui/Error.py
index 6433cf2..b6b2905 100644
--- a/gui/Gui/Error.py
+++ b/gui/Gui/Error.py
@@ -41,7 +41,7 @@ class NoAttackError(Exception):
 
 def ShowAndReturn(text):
     title = "Error"
-    dlg = wx.MessageDialog(None, text, title, wx.ID_OK | wx.ICON_ERROR)
+    dlg = wx.MessageDialog(None, text, title, wx.OK | wx.ICON_ERROR)
     result = dlg.ShowModal()
     dlg.Destroy()