diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/patron_messages.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/patron_messages.inc
index 0c1d8f88dc..fa35511bbc 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/patron_messages.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/patron_messages.inc
@@ -218,7 +218,7 @@
                         <em>"[% patron_message.message | html %]"</em>
                     </span>
                     [% IF patron_message.branchcode == Branches.GetLoggedInBranchcode OR Koha.Preference('AllowAllMessageDeletion') %]
-                        <a class="btn btn-link" href="/cgi-bin/koha/circ/del_message.pl?message_id=[% patron_message.message_id | html %]&amp;borrowernumber=[% patron_message.borrowernumber | html %]&amp;from=moremember" onclick='return confirm(_("Are you sure you want to delete this message? This cannot be undone."));'><i class="fa fa-trash"></i> Delete</a>
+                        <a class="btn btn-link delete_message" href="/cgi-bin/koha/circ/del_message.pl?message_id=[% patron_message.message_id | html %]&amp;borrowernumber=[% patron_message.borrowernumber | html %]&amp;from=moremember"><i class="fa fa-trash"></i> Delete</a>
                     [% END %]
                 </li>
             [% END %]
diff --git a/koha-tmpl/intranet-tmpl/prog/js/members-menu.js b/koha-tmpl/intranet-tmpl/prog/js/members-menu.js
index def803d274..fef0d28b6e 100644
--- a/koha-tmpl/intranet-tmpl/prog/js/members-menu.js
+++ b/koha-tmpl/intranet-tmpl/prog/js/members-menu.js
@@ -47,6 +47,10 @@ $(document).ready(function(){
         });
     }
 
+    $(".delete_message").click(function(){
+        return window.confirm( __("Are you sure you want to delete this message? This cannot be undone.") );
+    });
+
     $("#updatechild, #patronflags, #renewpatron, #deletepatron, #exportbarcodes").tooltip();
     $("#exportcheckins").click(function(){
         export_barcodes();