diff --git a/.github/actions/uitests/action.yml b/.github/actions/uitests/action.yml
index 26849353f..9649db0ab 100644
--- a/.github/actions/uitests/action.yml
+++ b/.github/actions/uitests/action.yml
@@ -25,8 +25,7 @@ runs:
       run: |
         cd Example
         xcodebuild test \
-          -scheme OpenSwiftUIUITests \
-          -configuration SwiftUIDebug \
+          -scheme SUI_UITests \
           -destination "${{ inputs.destination }}" \
           -skipMacroValidation \
           -skipPackagePluginValidation || true
@@ -38,8 +37,7 @@ runs:
       run: |
         cd Example
         xcodebuild test \
-          -scheme OpenSwiftUIUITests \
-          -configuration OpenSwiftUIDebug \
+          -scheme OSUI_UITests \
           -destination "${{ inputs.destination }}" \
           -skipMacroValidation \
           -skipPackagePluginValidation 2>&1 | tee /tmp/${{ inputs.platform }}-uitest.log
diff --git a/Sources/COpenSwiftUI/Shims/UIKit/UIKit_Private.h b/Sources/COpenSwiftUI/Shims/UIKit/UIKit_Private.h
index 4de279863..bf3f753f3 100644
--- a/Sources/COpenSwiftUI/Shims/UIKit/UIKit_Private.h
+++ b/Sources/COpenSwiftUI/Shims/UIKit/UIKit_Private.h
@@ -77,6 +77,10 @@ OPENSWIFTUI_ASSUME_NONNULL_BEGIN
 @end
 #endif
 
+@interface UIWindow (OpenSwiftUI_SPI)
+@property (nonatomic, readonly, nullable) UIWindowScene *_windowHostingScene_openswiftui_safe_wrapper OPENSWIFTUI_SWIFT_NAME(_windowHostingScene);
+@end
+
 @interface UIWindowScene (OpenSwiftUI_SPI)
 @property (nonatomic, readonly) UIUserInterfaceStyle _systemUserInterfaceStyle_openswiftui_safe_wrapper OPENSWIFTUI_SWIFT_NAME(_systemUserInterfaceStyle);
 #if OPENSWIFTUI_LINK_BACKLIGHTSERVICES
diff --git a/Sources/COpenSwiftUI/Shims/UIKit/UIKit_Private.m b/Sources/COpenSwiftUI/Shims/UIKit/UIKit_Private.m
index 5d5889e97..a5771bf0a 100644
--- a/Sources/COpenSwiftUI/Shims/UIKit/UIKit_Private.m
+++ b/Sources/COpenSwiftUI/Shims/UIKit/UIKit_Private.m
@@ -95,6 +95,13 @@ - (CGFloat)_pointsPerInch_openswiftui_safe_wrapper {
 @end
 #endif
 
+@implementation UIWindow (OpenSwiftUI_SPI)
+- (UIWindowScene *) _windowHostingScene_openswiftui_safe_wrapper {
+    OPENSWIFTUI_SAFE_WRAPPER_IMP(UIWindowScene *, @"_windowHostingScene", nil);
+    return func(self, selector);
+}
+@end
+
 @implementation UIWindowScene (OpenSwiftUI_SPI)
 - (UIUserInterfaceStyle) _systemUserInterfaceStyle_openswiftui_safe_wrapper {
     OPENSWIFTUI_SAFE_WRAPPER_IMP(UIUserInterfaceStyle, @"_systemUserInterfaceStyle", UIUserInterfaceStyleUnspecified);
diff --git a/Sources/OpenSwiftUI/Integration/Hosting/UIKit/View/UIHostingViewBase.swift b/Sources/OpenSwiftUI/Integration/Hosting/UIKit/View/UIHostingViewBase.swift
index a09f9f8aa..ca36352b5 100644
--- a/Sources/OpenSwiftUI/Integration/Hosting/UIKit/View/UIHostingViewBase.swift
+++ b/Sources/OpenSwiftUI/Integration/Hosting/UIKit/View/UIHostingViewBase.swift
@@ -115,11 +115,9 @@ package class UIHostingViewBase {
     @inline(__always)
     package var sceneActivationState: UIScene.ActivationState? {
         get {
-            let selector = Selector(("_windowHostingScene"))
             guard let uiView,
                   let window = uiView.window,
-                  window.responds(to: selector),
-                  (window.perform(selector).takeUnretainedValue() as? UIWindowScene) != nil
+                  window._windowHostingScene != nil
             else {
                 return nil
             }