diff --git a/services/core/java/com/android/server/wm/WindowStateAnimator.java b/services/core/java/com/android/server/wm/WindowStateAnimator.java
index 5678ad9e1e862..acf16896a8184 100644
--- a/services/core/java/com/android/server/wm/WindowStateAnimator.java
+++ b/services/core/java/com/android/server/wm/WindowStateAnimator.java
@@ -1333,7 +1333,7 @@ class WindowStateAnimator {
                     final TaskStack stack = task.mStack;
                     if (stack != null && !stack.isFullscreen()) {
                         stack.getDimBounds(mTmpStackBounds);
-                        clipRect.intersect(mTmpStackBounds);
+                        finalClipRect.set(mTmpStackBounds);
                     }
                 }
             }