diff --git a/app/library/Auth.php b/app/library/Auth.php
index 75c622b..aec9376 100644
--- a/app/library/Auth.php
+++ b/app/library/Auth.php
@@ -58,6 +58,13 @@ class Auth extends Component
                 return $user->getMessages();
             }
         }
+        // Here we activate the user.
+        // As for OAuth we perform registration if the user does not exist.
+        // We should therefore activate deleted accounts.
+        else if ($user->Status == User::STATUS_DELETED) {
+            $user->Status = User::STATUS_ACTIVE;
+            $user->save();
+        }
 
         $this->setIdentity($user->getId());