diff --git a/addons/res_config_mysql.c b/addons/res_config_mysql.c
index 359158bc65..11f73207ed 100644
--- a/addons/res_config_mysql.c
+++ b/addons/res_config_mysql.c
@@ -84,7 +84,7 @@ struct mysql_conn {
 	AST_RWLIST_ENTRY(mysql_conn) list;
 	ast_mutex_t	lock;
 	MYSQL       handle;
-	char        host[50];
+	char        host[MAXHOSTNAMELEN];
 	char        name[50];
 	char        user[50];
 	char        pass[50];