diff --git a/src/apps/browser.ts b/src/apps/browser.ts
index fdf76c0..ed9f3b3 100644
--- a/src/apps/browser.ts
+++ b/src/apps/browser.ts
@@ -237,8 +237,18 @@ export default class BrowserApp implements App {
       tabManager.activeTab.toggle()
     }
 
+    let full = false;
     (win.content.querySelector('.fullscreen') as HTMLElement).onclick = async () => {
-      await tabManager.activeTab.iframe.requestFullscreen()
+      if (full) {
+        win.content.querySelector('.fullscreen')?.classList.remove('bx-fullscreen')
+        win.content.querySelector('.fullscreen')?.classList.add('bx-exit-fullscreen')
+        win.content.requestFullscreen()
+      } else {
+        win.content.querySelector('.fullscreen')?.classList.remove('bx-exit-fullscreen')
+        win.content.querySelector('.fullscreen')?.classList.add('bx-fullscreen')
+        document.exitFullscreen()
+      }
+      full = !full
     }
 
     tabManager.addTab(new Tab('https://google.com'))