diff --git a/src/Listener/UserCoverRelationship.php b/src/Listener/UserCoverRelationship.php
index a5fc7f7..6652bb1 100644
--- a/src/Listener/UserCoverRelationship.php
+++ b/src/Listener/UserCoverRelationship.php
@@ -58,7 +58,7 @@ public function __invoke(UserSerializer $serializer, User $user): array
      */
     public function thumbnailUrl(?string $imageName)
     {
-        if (empty($imageName) {
+        if (empty($imageName)) {
             return null;
         }