diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSDetail.java b/packages/SystemUI/src/com/android/systemui/qs/QSDetail.java
index 8b434a5465045..496aa0e572ae7 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSDetail.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSDetail.java
@@ -323,7 +323,9 @@ public class QSDetail extends LinearLayout {
             post(new Runnable() {
                 @Override
                 public void run() {
-                    handleShowingDetail(detail, x, y, false /* toggleQs */);
+                    if (isAttachedToWindow()) {
+                        handleShowingDetail(detail, x, y, false /* toggleQs */);
+                    }
                 }
             });
         }