diff --git a/src/components/DataTable.vue b/src/components/DataTable.vue
index 2073926..f28fb29 100644
--- a/src/components/DataTable.vue
+++ b/src/components/DataTable.vue
@@ -8,15 +8,15 @@
       </tr>
     </thead>
     <tbody>
-      <tr v-for="tuple in dataset.data" :key="tuple">
+      <tr v-for="(tuple, rowNo) in dataset.data" :key="rowNo">
         <template v-for="(item, index) in tuple">
-          <td :key="item" v-if="index === 1 && !isHexValue(item)" colspan="2">
+          <td :key="index" v-if="index === 1 && !isHexValue(item)" colspan="2">
             {{ item }}
           </td>
-          <td :key="item" v-else>{{ item }}</td>
+          <td :key="item[0]" v-else>{{ item }}</td>
           <td
-            :key="item"
             v-if="isHexValue(item)"
+            :key="item[1]"
             :style="'background-color:' + item"
           ></td>
         </template>