diff --git a/src/main.c b/src/main.c
index f304ad6..7107575 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,5 +1,5 @@
 /* $Id$ */
-/* Copyright (c) 2011 Pierre Pronchery <khorben@defora.org> */
+/* Copyright (c) 2010-2013 Pierre Pronchery <khorben@defora.org> */
 /* This file is part of DeforaOS Desktop Phone */
 /* This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -37,12 +37,23 @@
 #endif
 
 
+/* phone */
 /* private */
 /* prototypes */
+static int _error(char const * message, int ret);
 static int _usage(void);
 
 
 /* functions */
+/* error */
+static int _error(char const * message, int ret)
+{
+	fputs("phone: ", stderr);
+	perror(message);
+	return ret;
+}
+
+
 /* usage */
 static int _usage(void)
 {
@@ -65,7 +76,8 @@ int main(int argc, char * argv[])
 	int retry = -1;
 	char * p;
 
-	setlocale(LC_ALL, "");
+	if(setlocale(LC_ALL, "") == NULL)
+		_error("setlocale", 1);
 	bindtextdomain(PACKAGE, LOCALEDIR);
 	textdomain(PACKAGE);
 	gtk_init(&argc, &argv);