diff --git a/packages/SystemUI/src/com/android/systemui/qs/customize/QSCustomizer.java b/packages/SystemUI/src/com/android/systemui/qs/customize/QSCustomizer.java
index 198cb9e7689f0..d8e5542540769 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/customize/QSCustomizer.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/customize/QSCustomizer.java
@@ -228,6 +228,7 @@ public class QSCustomizer extends LinearLayout implements OnMenuItemClickListene
     }
 
     private final Callback mKeyguardCallback = () -> {
+        if (!isAttachedToWindow()) return;
         if (Dependency.get(KeyguardMonitor.class).isShowing() && !mOpening) {
             hide(0, 0);
         }