diff --git a/app/views/notifications/index.html.erb b/app/views/notifications/index.html.erb
index 291da846..ec9987f6 100644
--- a/app/views/notifications/index.html.erb
+++ b/app/views/notifications/index.html.erb
@@ -39,11 +39,11 @@
                   <% when TOPIC_CONNECTED_1 %>
                     <% topic1 = notification.notified_object&.topic1 %>
                     <% topic2 = notification.notified_object&.topic2 %>
-                    connected <span class="in-bold"><%= topic1.name %></span> to <span class="in-bold"><%= topic2.name %></span>
+                    connected <span class="in-bold"><%= topic1&.name %></span> to <span class="in-bold"><%= topic2&.name %></span>
                   <% when TOPIC_CONNECTED_2 %>
                     <% topic1 = notification.notified_object&.topic1 %>
                     <% topic2 = notification.notified_object&.topic2 %>
-                    connected <span class="in-bold"><%= topic2.name %></span> to <span class="in-bold"><%= topic1.name %></span>
+                    connected <span class="in-bold"><%= topic2&.name %></span> to <span class="in-bold"><%= topic1&.name %></span>
                   <% when MESSAGE_FROM_DEVS %>
                     <%= notification.subject %>
               <% end %>