diff --git a/ui/tx/internals/TxInternalsList.tsx b/ui/tx/internals/TxInternalsList.tsx
index f756c12eab..b057015525 100644
--- a/ui/tx/internals/TxInternalsList.tsx
+++ b/ui/tx/internals/TxInternalsList.tsx
@@ -8,7 +8,7 @@ import TxInternalsListItem from 'ui/tx/internals/TxInternalsListItem';
 const TxInternalsList = ({ data, isLoading }: { data: Array<InternalTransaction>; isLoading?: boolean }) => {
   return (
     <Box>
-      { data.map((item, index) => <TxInternalsListItem key={ item.transaction_hash + (isLoading ? index : '') } { ...item } isLoading={ isLoading }/>) }
+      { data.map((item, index) => <TxInternalsListItem key={ item.index.toString() + (isLoading ? index : '') } { ...item } isLoading={ isLoading }/>) }
     </Box>
   );
 };
diff --git a/ui/tx/internals/TxInternalsTable.tsx b/ui/tx/internals/TxInternalsTable.tsx
index 2a833310c6..aeb8ce7e48 100644
--- a/ui/tx/internals/TxInternalsTable.tsx
+++ b/ui/tx/internals/TxInternalsTable.tsx
@@ -44,7 +44,7 @@ const TxInternalsTable = ({ data, sort, onSortToggle, top, isLoading }: Props) =
         </Thead>
         <Tbody>
           { data.map((item, index) => (
-            <TxInternalsTableItem key={ item.transaction_hash + (isLoading ? index : '') } { ...item } isLoading={ isLoading }/>
+            <TxInternalsTableItem key={ item.index.toString() + (isLoading ? index : '') } { ...item } isLoading={ isLoading }/>
           )) }
         </Tbody>
       </Table>