diff --git a/app/controllers/active_storage/disk_controller_decorator.rb b/app/controllers/active_storage/disk_controller_decorator.rb
index ec3ac0b4..2df9e11c 100644
--- a/app/controllers/active_storage/disk_controller_decorator.rb
+++ b/app/controllers/active_storage/disk_controller_decorator.rb
@@ -24,7 +24,7 @@ module ActiveStorage
         if (token = decode_verified_token)
           if acceptable_content?(token)
             blob = ActiveStorage::Blob.find_by_key! token[:key]
-            site = Site.find_by_name token[:service_name]
+            site = Site.find_by_name! token[:service_name]
 
             if remote_file?(token)
               begin