diff --git a/services/core/java/com/android/server/wm/WindowState.java b/services/core/java/com/android/server/wm/WindowState.java
index 72d1b49cd0d72..18734a52bd06e 100644
--- a/services/core/java/com/android/server/wm/WindowState.java
+++ b/services/core/java/com/android/server/wm/WindowState.java
@@ -1441,6 +1441,14 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
         }
     }
 
+    @Override
+    public Rect getBounds() {
+        // The window bounds are used for layout in screen coordinates. If the token has bounds for
+        // size compatibility mode, its configuration bounds are app based coordinates which should
+        // not be used for layout.
+        return mToken.hasSizeCompatBounds() ? mToken.getBounds() : super.getBounds();
+    }
+
     /** Retrieves the current frame of the window that the application sees. */
     Rect getFrame() {
         return mWindowFrames.mFrame;
diff --git a/services/tests/wmtests/src/com/android/server/wm/SizeCompatTests.java b/services/tests/wmtests/src/com/android/server/wm/SizeCompatTests.java
index 59894973521df..d10c006831d26 100644
--- a/services/tests/wmtests/src/com/android/server/wm/SizeCompatTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/SizeCompatTests.java
@@ -320,6 +320,11 @@ public class SizeCompatTests extends WindowTestsBase {
         assertScaled();
         // Activity is sandboxed due to size compat mode.
         assertActivityMaxBoundsSandboxed();
+
+        final WindowState appWindow = addWindowToActivity(mActivity);
+        assertTrue(mActivity.hasSizeCompatBounds());
+        assertEquals("App window must use size compat bounds for layout in screen space",
+                mActivity.getBounds(), appWindow.getBounds());
     }
 
     @Test