lib/perus/server/views/index.erb in perus-0.1.28 vs lib/perus/server/views/index.erb in perus-0.1.29

@@ -11,10 +11,14 @@
                 <% if alert.active_alerts.empty? %>
                     <p>All systems functioning normally</p>
                 <% else %>
                     <ul class="alerts">
                         <% alert.active_alerts.each do |active_alert| %>
-                            <li class="<%= alert.severity %>"><a href="<%= url_prefix %>systems/<%= active_alert.system.id %>"><%= active_alert.system.name %> (<%= active_alert.active_for %>)</a></li>
+                            <% if alert.system %>
+                                <li class="<%= alert.severity %>"><a href="<%= url_prefix %>systems/<%= active_alert.system.id %>"><%= active_alert.system.name %> (<%= active_alert.active_for %>)</a></li>
+                            <% else %>
+                                <li class="<%= alert.severity %>">Alert for deleted system: <%= active_alert.system_id %> (<%= active_alert.active_for %>)</li>
+                            <% end %>
                         <% end %>
                     </ul>
                 <% end %>
             <% end %>
         </div>