diff --git a/services/core/java/com/android/server/wm/ActivityMetricsLogger.java b/services/core/java/com/android/server/wm/ActivityMetricsLogger.java
index e1b7dd3a081b4..98d02776fb30b 100644
--- a/services/core/java/com/android/server/wm/ActivityMetricsLogger.java
+++ b/services/core/java/com/android/server/wm/ActivityMetricsLogger.java
@@ -790,7 +790,7 @@ class ActivityMetricsLogger {
             // window drawn event should report later to complete the transition. Otherwise all
             // activities in this task may be finished, invisible or drawn, so the transition event
             // should be cancelled.
-            if (t.forAllActivities(
+            if (t != null && t.forAllActivities(
                     a -> a.mVisibleRequested && !a.isReportedDrawn() && !a.finishing)) {
                 return;
             }