diff --git a/apps/content/src/browser/components/omnibox/ZoomDisplay.svelte b/apps/content/src/browser/components/omnibox/ZoomDisplay.svelte
index e1fb3da..07c8deb 100644
--- a/apps/content/src/browser/components/omnibox/ZoomDisplay.svelte
+++ b/apps/content/src/browser/components/omnibox/ZoomDisplay.svelte
@@ -1,3 +1,7 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
 <script lang="ts">
   export let zoom: number
 </script>
diff --git a/apps/content/src/browser/lib/window/tab.ts b/apps/content/src/browser/lib/window/tab.ts
index 756d09a..ea3ddbc 100644
--- a/apps/content/src/browser/lib/window/tab.ts
+++ b/apps/content/src/browser/lib/window/tab.ts
@@ -166,10 +166,8 @@ export class Tab {
   }
 
   zoomChange = (event: ZoomStoreEvents['setZoom']) => {
-    try {
-      if (this.uri.readOnce().host != event.host) return
-      this.zoom.set(event.zoom)
-    } catch {}
+    if (this.uri.readOnce().asciiHost != event.host) return
+    this.zoom.set(event.zoom)
   }
 
   protected useProgressListener() {
diff --git a/apps/modules/lib/ZoomStore.sys.mjs b/apps/modules/lib/ZoomStore.sys.mjs
index 3ce2cac..e64ecc6 100644
--- a/apps/modules/lib/ZoomStore.sys.mjs
+++ b/apps/modules/lib/ZoomStore.sys.mjs
@@ -1,3 +1,7 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
 // @ts-check
 /// <reference types="@browser/link" />
 import mitt from 'resource://app/modules/mitt.sys.mjs'
@@ -65,11 +69,7 @@ class ZoomStoreImpl {
    * @returns {number}
    */
   getZoomForUri(uri) {
-    try {
-      return this.zoomPages?.get(uri.host) || 1
-    } catch {
-      return 1
-    }
+    return this.zoomPages?.get(uri.asciiHost) || 1
   }
 
   /**
diff --git a/libs/link/types/modules/ZoomStore.d.ts b/libs/link/types/modules/ZoomStore.d.ts
index 8a3f6fd..ff6ba0d 100644
--- a/libs/link/types/modules/ZoomStore.d.ts
+++ b/libs/link/types/modules/ZoomStore.d.ts
@@ -1,3 +1,7 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
 declare module 'resource://app/modules/ZoomStore.sys.mjs' {
   import { Emitter } from 'mitt'