diff --git a/lib/contacts.nsui.js b/lib/contacts.nsui.js
index ab2b2b7..b10ff38 100644
--- a/lib/contacts.nsui.js
+++ b/lib/contacts.nsui.js
@@ -20,6 +20,18 @@ var ContactList = function() {
     this.lst = document.getElementById("contact-lst");
 };
 
+ContactList.prototype.insertContact = function(elem) {
+    var i, nb_el = this.lst.children.length;
+
+    for (i = 0; i < nb_el; i++) {
+	if (this.lst.children[i].children[0].innerHTML > elem.children[0].innerHTML) {
+	    this.lst.insertBefore(elem, this.lst.children[i]);
+	    return ;
+	}
+    }
+    this.lst.appendChild(elem);
+};
+
 ContactList.prototype.addContact = function(name) {
     var li = null, login = null, close = null;
 
@@ -45,7 +57,7 @@ ContactList.prototype.addContact = function(name) {
 	})(this));
 	this.contacts[name] = li;
 	this.save();
-	this.lst.appendChild(li);
+	this.insertContact(li);
     }
 };