diff --git a/web/src/lib/device.ts b/web/src/lib/device.ts
index a9686024..a5cbc324 100644
--- a/web/src/lib/device.ts
+++ b/web/src/lib/device.ts
@@ -38,7 +38,7 @@ if (browser) {
     const iPhone = ua.includes("iphone os");
     const iPad = !iPhone && ua.includes("mac os") && navigator.maxTouchPoints > 0;
 
-    const iosVersion = Number(ua.match(/iphone os (\d+)_/)?.[1]);
+    const iosVersion = Number(ua.match(/version\/(\d+)/)?.[1]);
     const modernIOS = iPhone && iosVersion >= 18;
 
     const iOS = iPhone || iPad;
diff --git a/web/src/lib/libav.ts b/web/src/lib/libav.ts
index 64aa59b8..598000f2 100644
--- a/web/src/lib/libav.ts
+++ b/web/src/lib/libav.ts
@@ -9,7 +9,7 @@ const ua = navigator.userAgent.toLowerCase();
 const iPhone = ua.includes("iphone os");
 const iPad = !iPhone && ua.includes("mac os") && navigator.maxTouchPoints > 0;
 const iOS = iPhone || iPad;
-const modernIOS = iOS && Number(ua.match(/iphone os (\d+)_/)?.[1]) >= 18;
+const modernIOS = iOS && Number(ua.match(/version\/(\d+)/)?.[1]) >= 18;
 
 export default class LibAVWrapper {
     libav: Promise<LibAVInstance> | null;