Index: src/mt_client_game.c
===================================================================
--- src/mt_client_game.c
+++ src/mt_client_game.c	2011-05-14 11:59:58.113759118 +0200
@@ -56,7 +56,7 @@
 	}
       else
 	{
-	  g_printerr (str_err_function[num]);
+	  g_printerr ("%s", str_err_function[num]);
 	  exit (-1);
 	}
     }