diff --git a/ui/src/views/Inspect.vue b/ui/src/views/Inspect.vue
index ab57485..dd805a3 100644
--- a/ui/src/views/Inspect.vue
+++ b/ui/src/views/Inspect.vue
@@ -44,7 +44,7 @@
             <th>Entities</th>
             <th>Attribute names</th>
           </tr>
-          <tr v-for="[id, entry] in backlinks">
+          <tr v-for="[id, entry] in backlinks" :key="id">
             <td>
               <Address link :address="entry.entity"/>
             </td>