diff --git a/services/java/com/android/server/am/ActivityManagerService.java b/services/java/com/android/server/am/ActivityManagerService.java
index f5a8119c9295c..51ff9593f7234 100644
--- a/services/java/com/android/server/am/ActivityManagerService.java
+++ b/services/java/com/android/server/am/ActivityManagerService.java
@@ -3410,7 +3410,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
                     // being started, which means not bringing it to the front
                     // if the caller is not itself in the front.
                     HistoryRecord curTop = topRunningNonDelayedActivityLocked(notTop);
-                    if (curTop.task != taskTop.task) {
+                    if (curTop != null && curTop.task != taskTop.task) {
                         r.intent.addFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT);
                         boolean callerAtFront = sourceRecord == null
                                 || curTop.task == sourceRecord.task;