diff --git a/packages/ui/src/components/TimeSince.svelte b/packages/ui/src/components/TimeSince.svelte
index 6dcc5e331a..ffceb35eb2 100644
--- a/packages/ui/src/components/TimeSince.svelte
+++ b/packages/ui/src/components/TimeSince.svelte
@@ -44,7 +44,7 @@
 
   $: formatTime($ticker)
 
-  $: tooltip = new Date(value).toLocaleString('default', { minute:'2-digit', hour:'numeric', day:'2-digit', month: 'short', year: 'numeric'})
+  $: tooltip = new Date(value).toLocaleString('default', { minute:'2-digit', hour:'numeric', day:'2-digit', month: 'short', year: 'numeric'}) as IntlString
 
 </script>