diff --git a/app/controllers/backend/UserController.php b/app/controllers/backend/UserController.php
index c104381..efaded4 100644
--- a/app/controllers/backend/UserController.php
+++ b/app/controllers/backend/UserController.php
@@ -102,8 +102,12 @@ class UserController extends \Phalcon\Mvc\Controller
     {
         $user = User::findFirstById($id);
         if ($user) {
-            $this->eventsManager->fire('auth:onSentActivation', $user);
-            $this->flash->success('Ativation email sent to: ' . $user->email);
+            if ($user->isSuspended()) {
+                $this->eventsManager->fire('auth:onSentActivation', $user);
+                $this->flash->success('Ativation email sent to: ' . $user->email);
+            } else {
+                $this->flash->error('Only suspended users can be sent activation emails.');
+            }
         } else {
             $this->flash->error('Invalid user: ' . $id);
         }