diff --git a/app/uploaders/file_uploader.rb b/app/uploaders/file_uploader.rb
index c040f6bbe92b1d16c7d4624277838213def134c0..bdfbfc668bd520c82ec8e5c6ff462591150dc022 100644
--- a/app/uploaders/file_uploader.rb
+++ b/app/uploaders/file_uploader.rb
@@ -20,7 +20,7 @@ class FileUploader < CarrierWave::Uploader::Base
   end
 
   def self.generate_secret
-    SecureRandom.hex(5)
+    SecureRandom.hex
   end
 
   def secure_url