diff --git a/src/lib/components/ComfyApp.ts b/src/lib/components/ComfyApp.ts
index 2c77775..e4c7625 100644
--- a/src/lib/components/ComfyApp.ts
+++ b/src/lib/components/ComfyApp.ts
@@ -728,9 +728,11 @@ export default class ComfyApp {
     }
 
     private requestPermissions() {
-        if (Notification.permission === "default") {
-            Notification.requestPermission()
-                .then((result) => console.log("Notification status:", result));
+        if (window.Notification != null) {
+            if (window.Notification.permission === "default") {
+                window.Notification.requestPermission()
+                    .then((result) => console.log("Notification status:", result));
+            }
         }
     }
 
diff --git a/src/lib/notify.ts b/src/lib/notify.ts
index 80a0f2c..90caee9 100644
--- a/src/lib/notify.ts
+++ b/src/lib/notify.ts
@@ -92,6 +92,11 @@ function notifyToast(text: string, options: NotifyOptions) {
 }
 
 function notifyNative(text: string, options: NotifyOptions) {
+    if (window.Notification == null) {
+        console.warn("[notify] No Notification available on window")
+        return
+    }
+
     if (document.hasFocus())
         return;