diff --git a/app/models/formbuilder/response_field_file.rb b/app/models/formbuilder/response_field_file.rb
index 1e52dff..0f4d354 100644
--- a/app/models/formbuilder/response_field_file.rb
+++ b/app/models/formbuilder/response_field_file.rb
@@ -16,7 +16,7 @@ def render_input(value, opts = {})
     end
 
     def render_entry(value, opts = {})
-      attachment = EntryAttachment.find(value)
+      attachment = value && EntryAttachment.where(id: value).first
 
       return unless attachment