--- src/util.c.orig	2007-04-13 23:36:29.000000000 +0200
+++ src/util.c	2009-02-11 22:01:39.000000000 +0100
@@ -214,7 +214,7 @@
 				   GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 				   GTK_MESSAGE_ERROR,
 				   GTK_BUTTONS_CLOSE,
-				   errorstring);
+				   "%s", errorstring);
   g_signal_connect_object(GTK_OBJECT(dialog),
 			  "delete_event",
 			  G_CALLBACK(gtk_widget_destroy),
@@ -246,7 +246,7 @@
 				   GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 				   GTK_MESSAGE_QUESTION,
 				   GTK_BUTTONS_YES_NO,
-				   confirmstring);
+				   "%s", confirmstring);
   i = gtk_dialog_run(GTK_DIALOG(dialog));
   gtk_widget_destroy(dialog);
   if (i == GTK_RESPONSE_YES) {