diff --git a/app/controllers/issues_controller.rb b/app/controllers/issues_controller.rb
index f45d9bf06..c994862e1 100644
--- a/app/controllers/issues_controller.rb
+++ b/app/controllers/issues_controller.rb
@@ -189,6 +189,7 @@ class IssuesController < ApplicationController
     begin
       saved = save_issue_with_child_records
     rescue ActiveRecord::StaleObjectError
+      @issue.detach_saved_attachments
       @conflict = true
       if params[:last_journal_id]
         @conflict_journals = @issue.journals_after(params[:last_journal_id]).to_a