diff --git a/packages/web/src/datagrid/DataGridCore.svelte b/packages/web/src/datagrid/DataGridCore.svelte
index 2df3efae1..117bdba96 100644
--- a/packages/web/src/datagrid/DataGridCore.svelte
+++ b/packages/web/src/datagrid/DataGridCore.svelte
@@ -799,8 +799,9 @@
         isText
           ? data
           : {
-              type: 'Buffer',
-              data: [...data],
+              $binary: {
+                base64: data.toString('base64'),
+              },
             }
       );
     }