diff --git a/src/Kodeine/Acl/Models/Eloquent/Permission.php b/src/Kodeine/Acl/Models/Eloquent/Permission.php
index 5708ad5..4e3a883 100644
--- a/src/Kodeine/Acl/Models/Eloquent/Permission.php
+++ b/src/Kodeine/Acl/Models/Eloquent/Permission.php
@@ -18,6 +18,16 @@ class Permission extends Model
      */
     protected $table = 'permissions';
 
+    /**
+     * Use the slug of the Permission
+     * instead of the ID.
+     *
+     * @return string
+     */
+    public function getRouteKeyName() {
+        return 'slug';
+    }
+    
     /**
      * Permissions can belong to many roles.
      *