diff --git a/app/views/users/mailer/notification.html.erb b/app/views/users/mailer/notification.html.erb
index 6262a788c..526e57b44 100644
--- a/app/views/users/mailer/notification.html.erb
+++ b/app/views/users/mailer/notification.html.erb
@@ -21,7 +21,7 @@
   <% if @notification.system_message? %>
     <% # We assume the system notification is clean %>
     <%= @notification.message.html_safe %>
-  <% elsif @notification.deliver? %>
+  <% elsif @notification.deliver? && @notification.message.match?(/data-id=('|")(\d*)('|")/) %>
     <%= I18n.t("notifications.deliver.download_link") %>
     <% # work around the problem with inserting the link of zipExport %>
     <% zip_id = /data-id=('|")(\d*)('|")/.match(@notification.message)[2] %>