diff -r 5d2621f71f39 -r 59a2c10ac9b8 server/src/app/Http/Kernel.php
--- a/server/src/app/Http/Kernel.php	Thu Sep 22 15:42:12 2016 +0200
+++ b/server/src/app/Http/Kernel.php	Thu Sep 22 16:05:08 2016 +0200
@@ -28,10 +28,12 @@
             \Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse::class,
             \Illuminate\Session\Middleware\StartSession::class,
             \Illuminate\View\Middleware\ShareErrorsFromSession::class,
+            \Illuminate\Routing\Middleware\SubstituteBindings::class,
             \CorpusParole\Http\Middleware\VerifyCsrfToken::class,
         ],
         'api' => [
             'throttle:60,1',
+            'bindings',
         ],
     ];
     /**
@@ -46,6 +48,7 @@
         'auth.basic' => \Illuminate\Auth\Middleware\AuthenticateWithBasicAuth::class,
         'guest' => \CorpusParole\Http\Middleware\RedirectIfAuthenticated::class,
         'throttle' => \Illuminate\Routing\Middleware\ThrottleRequests::class,
+        'bindings' => \Illuminate\Routing\Middleware\SubstituteBindings::class,
     ];
     // /**
     //  * The application's global HTTP middleware stack.