diff --git a/app/Policies/CourseEventPolicy.php b/app/Policies/CourseEventPolicy.php
index 222b72f9..7d9f4eec 100644
--- a/app/Policies/CourseEventPolicy.php
+++ b/app/Policies/CourseEventPolicy.php
@@ -47,7 +47,7 @@ class CourseEventPolicy extends BasePolicy
      */
     public function update(User $user, CourseEvent $courseEvent): bool
     {
-        return $user->belongsToTeam($courseEvent->course->lecturer->team) || $user->can((new \ReflectionClass($this))->getShortName().'.'.__FUNCTION__);
+        return $courseEvent->created_by === $user->id || $user->can((new \ReflectionClass($this))->getShortName() . '.' . __FUNCTION__);
     }
 
     /**
diff --git a/docker-compose.yml b/docker-compose.yml
index f510c2bf..a7591336 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,7 +1,7 @@
 # For more information: https://laravel.com/docs/sail
 version: '3'
 services:
-    laravel.test:
+    laravel:
         build:
             context: ./docker/8.2
             dockerfile: Dockerfile