diff --git a/iOS/Article/ArticleViewController.swift b/iOS/Article/ArticleViewController.swift
index 12ce2aa90..0615c8158 100644
--- a/iOS/Article/ArticleViewController.swift
+++ b/iOS/Article/ArticleViewController.swift
@@ -102,7 +102,6 @@ class ArticleViewController: UIViewController, MainControllerIdentifiable {
 		NotificationCenter.default.addObserver(self, selector: #selector(willEnterForeground(_:)), name: UIApplication.willEnterForegroundNotification, object: nil)
 		NotificationCenter.default.addObserver(self, selector: #selector(reloadDueToThemeChange(_:)), name: .CurrentArticleThemeDidChangeNotification, object: nil)
 		NotificationCenter.default.addObserver(self, selector: #selector(configureAppearanceMenu(_:)), name: .ArticleThemeNamesDidChangeNotification, object: nil)
-		NotificationCenter.default.addObserver(self, selector: #selector(updateUnreadCountIndicator(_:)), name: UIDevice.orientationDidChangeNotification, object: nil)
 		
 		articleExtractorButton.addTarget(self, action: #selector(toggleArticleExtractor(_:)), for: .touchUpInside)
 		toolbarItems?.insert(UIBarButtonItem(customView: articleExtractorButton), at: 6)
@@ -349,9 +348,8 @@ class ArticleViewController: UIViewController, MainControllerIdentifiable {
 	/// For iPad, this indicator is visible if it is in `portrait` or `unknown`
 	/// orientation, **and** the unread count is > 0.
 	/// - Parameter sender: `Any` (optional)
-	@objc
-	public func updateUnreadCountIndicator(_ sender: Any? = nil) {
-		if UIDevice.current.userInterfaceIdiom == .phone {
+	public func updateUnreadCountIndicator(forDisplayMode displayMode: UISplitViewController.DisplayMode? = nil) {
+		func changeUnreadCountIndicator() {
 			if currentUnreadCount > 0 {
 				let unreadCountView = MasterTimelineUnreadCountView(frame: .zero)
 				unreadCountView.unreadCount = currentUnreadCount
@@ -360,17 +358,13 @@ class ArticleViewController: UIViewController, MainControllerIdentifiable {
 			} else {
 				navigationItem.leftBarButtonItem = nil
 			}
+		}
+		
+		if UIDevice.current.userInterfaceIdiom == .phone {
+			changeUnreadCountIndicator()
 		} else {
-			
-			if UIDevice.current.orientation.isPortrait || !UIDevice.current.orientation.isValidInterfaceOrientation {
-				if currentUnreadCount > 0 {
-					let unreadCountView = MasterTimelineUnreadCountView(frame: .zero)
-					unreadCountView.unreadCount = currentUnreadCount
-					unreadCountView.setFrameIfNotEqual(CGRect(x: 0, y: 0, width: unreadCountView.intrinsicContentSize.width, height: unreadCountView.intrinsicContentSize.height))
-					navigationItem.leftBarButtonItem = UIBarButtonItem(customView: unreadCountView)
-				} else {
-					navigationItem.leftBarButtonItem = nil
-				}
+			if displayMode == nil || displayMode == .secondaryOnly {
+				changeUnreadCountIndicator()
 			} else {
 				navigationItem.leftBarButtonItem = nil
 			}
diff --git a/iOS/SceneCoordinator.swift b/iOS/SceneCoordinator.swift
index 1c5c8dec6..8dd9e2e49 100644
--- a/iOS/SceneCoordinator.swift
+++ b/iOS/SceneCoordinator.swift
@@ -1323,6 +1323,10 @@ extension SceneCoordinator: UISplitViewControllerDelegate {
 		}
 	}
 	
+	func splitViewController(_ svc: UISplitViewController, willChangeTo displayMode: UISplitViewController.DisplayMode) {
+		articleViewController?.updateUnreadCountIndicator(forDisplayMode: displayMode)
+	}
+	
 }
 
 // MARK: UINavigationControllerDelegate