Index: gtk/tr_prefs.c
===================================================================
--- transmission-1.00/gtk/tr_prefs.c	(revision 4536)
+++ transmission-1.00/gtk/tr_prefs.c	(working copy)
@@ -259,7 +259,7 @@
 
     d = gtk_dialog_new_with_buttons( _("Preferences"), parent,
                                      GTK_DIALOG_DESTROY_WITH_PARENT,
-                                     GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
+                                     GTK_STOCK_CLOSE, GTK_RESPONSE_ACCEPT,
                                      NULL );
 
     gtk_window_set_role( GTK_WINDOW(d), "transmission-preferences-dialog" );