diff --git a/webui/src/lib/components/display/UpEntry.svelte b/webui/src/lib/components/display/UpEntry.svelte
index 0cd28af..785d581 100644
--- a/webui/src/lib/components/display/UpEntry.svelte
+++ b/webui/src/lib/components/display/UpEntry.svelte
@@ -19,7 +19,7 @@
 		{#if entry.value.t === 'Address'}
 			<UpObject link address={entry.value.c} labels={resolve ? undefined : []} />
 		{:else}
-			<Ellipsis value={entry.value.c} />
+			<Ellipsis value={entry.value.c?.toString() || ''} />
 		{/if}
 	</div>
 </div>