diff --git a/webui/src/components/AttributeView.svelte b/webui/src/components/AttributeView.svelte
index 7ab4902..4131f07 100644
--- a/webui/src/components/AttributeView.svelte
+++ b/webui/src/components/AttributeView.svelte
@@ -10,7 +10,7 @@
 
   export let entries: UpEntry[];
   export let type: UpType | undefined = undefined;
-  export let widgets: Widget[] | undefined;
+  export let widgets: Widget[] | undefined = undefined;
   export let title: string | undefined = undefined;
   export let editable = false;
   export let reverse = false;