diff --git a/database/factories/LibraryFactory.php b/database/factories/LibraryFactory.php
index 703ae27..6625fe3 100644
--- a/database/factories/LibraryFactory.php
+++ b/database/factories/LibraryFactory.php
@@ -23,7 +23,7 @@ public function definition()
             'slug' => $this->faker->slug(2),
             'title' => $this->faker->word,
             'description' => $this->faker->sentence,
-            'type' => $this->faker->randomElements(SkyPlugin::get()->getLibraryTypes()),
+            'type' => $this->faker->randomElement(array_keys(SkyPlugin::get()->getLibraryTypes())),
             'file_path' => 'https://picsum.photos/200/300',
         ];
     }