diff --git a/src/application/controllers/backend_api.php b/src/application/controllers/backend_api.php
index 04faa95d..60d58d49 100644
--- a/src/application/controllers/backend_api.php
+++ b/src/application/controllers/backend_api.php
@@ -186,22 +186,22 @@ class Backend_api extends CI_Controller {
                 if (!$manage_mode) {
                     $customer_title = $this->lang->line('appointment_booked');
                     $customer_message = $this->lang->line('thank_your_for_appointment');
-                    $customer_link = $this->config->item('base_url') . '/appointments/index/' 
+                    $customer_link = $this->config->item('base_url') . '/index.php/appointments/index/' 
                             . $appointment['hash'];
 
                     $provider_title = $this->lang->line('appointment_added_to_your_plan');
                     $provider_message = $this->lang->line('appointment_link_description');
-                    $provider_link = $this->config->item('base_url') . '/backend/index/' 
+                    $provider_link = $this->config->item('base_url') . '/index.php/backend/index/' 
                             . $appointment['hash'];
                 } else {
                     $customer_title = $this->lang->line('appointment_changes_saved');
                     $customer_message = '';
-                    $customer_link = $this->config->item('base_url') . '/appointments/index/' 
+                    $customer_link = $this->config->item('base_url') . '/index.php/appointments/index/' 
                             . $appointment['hash'];
 
                     $provider_title = $this->lang->line('appointment_details_changed');
                     $provider_message = '';
-                    $provider_link = $this->config->item('base_url') . '/backend/index/' 
+                    $provider_link = $this->config->item('base_url') . '/index.php/backend/index/' 
                             . $appointment['hash'];
                 }