diff --git a/materio_user.module b/materio_user.module
index 2167d734..0f7adde4 100644
--- a/materio_user.module
+++ b/materio_user.module
@@ -215,3 +215,37 @@ function materio_user_block_view_alter(&$data, $block) {
 }
 
 
+/**
+ * Define constants
+ */
+define('MATERIO_USER_CONFIRMED_USER_ROLE', 'Utilisateur'); // add role name here
+
+/**
+ * Implement hook_user
+ */
+function materio_user_user_update(&$edit, $account, $category){
+  // This is only fired when a user confirms their email address, logintoboggan style
+  if (isset($account->logintoboggan_email_validated) && $account->logintoboggan_email_validated == TRUE) {    
+    $confirmed_rid = materio_user_get_role_by_name(MATERIO_USER_CONFIRMED_USER_ROLE);    
+    $roles = $account->roles + array($confirmed_rid => MATERIO_USER_CONFIRMED_USER_ROLE);
+    
+    // we have to do this to stop an infinite loop, and also to allow lower weighted modules to possibly do something here
+    $user = $account;
+    unset($user->logintoboggan_email_validated);
+    
+    user_save($user, array('roles' => $roles));
+  }
+}
+
+/**
+ * Returns a role ID based on role name
+ *
+ * @param $name
+ *  name of role to return
+ * @return
+ *  (int) Role ID
+ */
+function materio_user_get_role_by_name($name) {
+  return array_search($name, user_roles());
+} 
+