diff --git a/web/src/routes/+layout.svelte b/web/src/routes/+layout.svelte
index 2c1e3ef..8d1d9e7 100644
--- a/web/src/routes/+layout.svelte
+++ b/web/src/routes/+layout.svelte
@@ -15,7 +15,8 @@
 	let { children } = $props();
 
 	const docTitle = $derived(`${panelTitleFromPath(page.url.pathname)} · Telemt Panel`);
-	const isNavigating = $derived(navigating !== null);
+	/** Нельзя использовать `!== null`: при `navigating === undefined` выражение истинно и полоска «зависает». */
+	const isNavigating = $derived(!!navigating);
 
 	let serverAliases = $state<string[]>([]);