1 files changed, 3 insertions, 3 deletions
diff --git a/lib/filesystem/ExerciseFolder.php b/lib/filesystem/ExerciseFolder.php
index e882de8..a2f5bec 100644
--- a/lib/filesystem/ExerciseFolder.php
+++ b/lib/filesystem/ExerciseFolder.php
@@ -58,17 +58,17 @@ class ExerciseFolder extends StandardFolder
         return false;
     }
 
-    public function isFileDownloadable(string $file_ref_id, string $user_id): bool
+    public function isFileDownloadable(FileRef $file_ref, string $user_id): bool
     {
         return $this->isReadable($user_id);
     }
 
-    public function isFileEditable(string $file_ref_id, string $user_id): bool
+    public function isFileEditable(FileRef $file_ref, string $user_id): bool
     {
         return $this->isWritable($user_id);
     }
 
-    public function isFileWritable(string $file_ref_id, string $user_id): bool
+    public function isFileWritable(FileRef $file_ref, string $user_id): bool
     {
         return $this->isWritable($user_id);
     }