diff --git a/src/Planner.svelte b/src/Planner.svelte
index 2208e3d..8b973a5 100644
--- a/src/Planner.svelte
+++ b/src/Planner.svelte
@@ -174,7 +174,7 @@ ${trkpts}
     return { dist: dist.toFixed(1), up };
   }
 
-  $derived: let stats = routeStats();
+  let stats = $derived(routeStats());
 </script>
 
 <div class="layout">