diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/NotificationInflaterTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/NotificationInflaterTest.java
index 54a96cd767150..83a2883c30992 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/NotificationInflaterTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/NotificationInflaterTest.java
@@ -184,7 +184,9 @@ public class NotificationInflaterTest extends SysuiTestCase {
         countDownLatch.await();
     }
 
+    /* Cancelling requires us to be on the UI thread otherwise we might have a race */
     @Test
+    @UiThreadTest
     public void testSupersedesExistingTask() throws Exception {
         mNotificationInflater.inflateNotificationViews();
         mNotificationInflater.setIsLowPriority(true);