diff --git a/packages/react-native/React/CoreModules/RCTPerfMonitor.mm b/packages/react-native/React/CoreModules/RCTPerfMonitor.mm
index 776b5e77083a..33a39ed9c203 100644
--- a/packages/react-native/React/CoreModules/RCTPerfMonitor.mm
+++ b/packages/react-native/React/CoreModules/RCTPerfMonitor.mm
@@ -298,7 +298,8 @@ - (void)show
 
   [self updateStats];
 
-  UIWindow *window = RCTSharedApplication().delegate.window;
+  UIWindow *window = RCTKeyWindow();
+
   [window addSubview:self.container];
 
   _uiDisplayLink = [CADisplayLink displayLinkWithTarget:self selector:@selector(threadUpdate:)];