diff --git a/frontend/src/views/MessageField.svelte b/frontend/src/views/MessageField.svelte
index b9eca4c..2185075 100644
--- a/frontend/src/views/MessageField.svelte
+++ b/frontend/src/views/MessageField.svelte
@@ -35,6 +35,8 @@
     }
   }
 
+  $: if(!field) field = {};
+
 </script>
 
 {#if field.repeated && idx < 0 }