diff --git a/application/controllers/Calendar.php b/application/controllers/Calendar.php
index af247f0d..967a4ec5 100644
--- a/application/controllers/Calendar.php
+++ b/application/controllers/Calendar.php
@@ -416,7 +416,7 @@ class Calendar extends EA_Controller {
 
             $unavailability_id = request('unavailability_id');
 
-            $unavailability = $this->appointments_model->find($unavailability_id);
+            $unavailability = $this->unavailabilities_model->find($unavailability_id);
             
             $this->check_event_permissions($unavailability['id_users_provider']);
 
diff --git a/application/libraries/Availability.php b/application/libraries/Availability.php
index fef7300e..3854dc0e 100644
--- a/application/libraries/Availability.php
+++ b/application/libraries/Availability.php
@@ -363,7 +363,7 @@ class Availability {
         int $exclude_appointment_id = NULL
     ): array
     {
-        $unavailability_events = $this->CI->appointments_model->get([
+        $unavailability_events = $this->CI->unavailabilities_model->get([
             'is_unavailability' => TRUE,
             'DATE(start_datetime) <=' => $date,
             'DATE(end_datetime) >=' => $date,