diff --git a/services/core/java/com/android/server/wm/WindowContainer.java b/services/core/java/com/android/server/wm/WindowContainer.java
index 3a1619ba11a15..1a6d85547c926 100644
--- a/services/core/java/com/android/server/wm/WindowContainer.java
+++ b/services/core/java/com/android/server/wm/WindowContainer.java
@@ -1897,6 +1897,7 @@ class WindowContainer<E extends WindowContainer> extends ConfigurationContainer<
     }
 
     boolean needsZBoost() {
+        if (mNeedsZBoost) return true;
         for (int i = 0; i < mChildren.size(); i++) {
             if (mChildren.get(i).needsZBoost()) {
                 return true;