diff --git a/Sources/ProHUD/Alert/AlertWindow.swift b/Sources/ProHUD/Alert/AlertWindow.swift
index ffcba43..ab92865 100644
--- a/Sources/ProHUD/Alert/AlertWindow.swift
+++ b/Sources/ProHUD/Alert/AlertWindow.swift
@@ -21,7 +21,7 @@ class AlertWindow: Window {
         }
         let w: AlertWindow
         if #available(iOS 13.0, *) {
-            if let scene = config.windowScene ?? UIApplication.shared.windows.last?.windowScene {
+            if let scene = config.windowScene ?? UIWindowScene.mainWindowScene {
                 w = .init(windowScene: scene)
             } else {
                 w = .init(frame: UIScreen.main.bounds)
diff --git a/Sources/ProHUD/Core/Views/Window.swift b/Sources/ProHUD/Core/Views/Window.swift
index 12da8c8..47991db 100644
--- a/Sources/ProHUD/Core/Views/Window.swift
+++ b/Sources/ProHUD/Core/Views/Window.swift
@@ -52,3 +52,15 @@ class Window: UIWindow {
     }
     
 }
+
+@available(iOS 13.0, *)
+extension UIWindowScene {
+    
+    static var mainWindowScene: UIWindowScene? {
+        UIApplication.shared.connectedScenes.first(where: { scene in
+            guard let ws = scene as? UIWindowScene else { return false }
+            return ws.activationState == .foregroundActive
+        }) as? UIWindowScene
+    }
+    
+}
diff --git a/Sources/ProHUD/Sheet/SheetWindow.swift b/Sources/ProHUD/Sheet/SheetWindow.swift
index 061400f..73ffd08 100644
--- a/Sources/ProHUD/Sheet/SheetWindow.swift
+++ b/Sources/ProHUD/Sheet/SheetWindow.swift
@@ -16,7 +16,7 @@ class SheetWindow: Window {
     init(sheet: Sheet) {
         self.sheet = sheet
         if #available(iOS 13.0, *) {
-            if let scene = sheet.config.windowScene ?? UIApplication.shared.windows.last?.windowScene {
+            if let scene = sheet.config.windowScene ?? UIWindowScene.mainWindowScene {
                 super.init(windowScene: scene)
             } else {
                 super.init(frame: UIScreen.main.bounds)
diff --git a/Sources/ProHUD/Toast/ToastWindow.swift b/Sources/ProHUD/Toast/ToastWindow.swift
index 04ed34c..be3a42d 100644
--- a/Sources/ProHUD/Toast/ToastWindow.swift
+++ b/Sources/ProHUD/Toast/ToastWindow.swift
@@ -19,7 +19,7 @@ class ToastWindow: Window {
         self.toast = toast
         super.init(frame: .zero)
         if #available(iOS 13.0, *) {
-            windowScene = toast.config.windowScene ?? UIApplication.shared.windows.last?.windowScene
+            windowScene = toast.config.windowScene ?? UIWindowScene.mainWindowScene
         }
         toast.window = self
         windowLevel = .init(rawValue: UIWindow.Level.alert.rawValue + 1000)