diff --git a/src/API/Anilist/Model.php b/src/API/Anilist/Model.php
index a5fa3011..6e1d4845 100644
--- a/src/API/Anilist/Model.php
+++ b/src/API/Anilist/Model.php
@@ -100,7 +100,7 @@ final class Model
 		$config = $this->container->get('config');
 		$anilistUser = $config->get(['anilist', 'username']);
 
-		if ( ! \is_string($anilistUser))
+		if ( ! (is_string($anilistUser) && $anilistUser !== ''))
 		{
 			throw new InvalidArgumentException('Anilist username is not defined in config');
 		}
diff --git a/src/constants.php b/src/constants.php
index 742f18d3..ad6c0e89 100644
--- a/src/constants.php
+++ b/src/constants.php
@@ -61,7 +61,6 @@ const SETTINGS_MAP = [
 			'type' => 'string',
 			'title' => 'Anilist Username',
 			'default' => '',
-			'readonly' => TRUE,
 			'description' => 'Login username for Anilist account to integrate with',
 		],
 		'access_token' => [