diff --git a/lib/pages/viewer/viewer_controller.dart b/lib/pages/viewer/viewer_controller.dart
index 8adc4a661..ee3968c97 100644
--- a/lib/pages/viewer/viewer_controller.dart
+++ b/lib/pages/viewer/viewer_controller.dart
@@ -40,7 +40,7 @@ class ViewerController extends GetxController {
   var animation = Settings.animation.obs;
   var rightToLeft = Settings.rightToLeft.obs;
   var imgQuality = Settings.imageQuality.obs;
-  var fullscreen = (!Settings.disableFullScreen).obs;
+  var fullscreen = (!Settings.disableFullScreen || Platform.isIOS).obs;
 
   /// horizontal viewer option
   var viewScrollType =
@@ -224,7 +224,7 @@ class ViewerController extends GetxController {
       }
     } else {
       if (!Settings.disableFullScreen || Platform.isIOS) {
-        SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual, overlays: []);
+        SystemChrome.setEnagbledSystemUIMode(SystemUiMode.manual, overlays: []);
       }
       opacity.value = 0.0;
       Future.delayed(const Duration(milliseconds: 300))
diff --git a/lib/pages/viewer/viewer_page.dart b/lib/pages/viewer/viewer_page.dart
index 52de9f42d..71a096b76 100644
--- a/lib/pages/viewer/viewer_page.dart
+++ b/lib/pages/viewer/viewer_page.dart
@@ -131,7 +131,7 @@ class _ViewerPageState extends State<ViewerPage> {
     _initProvider = CallOnce(_initAfterProvider);
     _startsTime = DateTime.now();
 
-    if (!Settings.disableFullScreen) {
+    if (!Settings.disableFullScreen || Platform.isIOS) {
       SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual, overlays: []);
     }