diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
index ddc12c9f51050..19c7013a9bce6 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
@@ -1003,7 +1003,8 @@ public class KeyguardViewMediator implements CoreStartable, Dumpable,
                     }
 
                     final RemoteAnimationTarget primary = apps[0];
-                    final boolean isDream = (apps[0].taskInfo.topActivityType
+                    final boolean isDream = (apps[0].taskInfo != null
+                            && apps[0].taskInfo.topActivityType
                             == WindowConfiguration.ACTIVITY_TYPE_DREAM);
                     if (!isDream) {
                         Log.w(TAG, "The occluding app isn't Dream; "
@@ -1103,7 +1104,8 @@ public class KeyguardViewMediator implements CoreStartable, Dumpable,
                     }
 
                     final RemoteAnimationTarget primary = apps[0];
-                    final boolean isDream = (apps[0].taskInfo.topActivityType
+                    final boolean isDream = (apps[0].taskInfo != null
+                            && apps[0].taskInfo.topActivityType
                             == WindowConfiguration.ACTIVITY_TYPE_DREAM);
 
                     final SyncRtSurfaceTransactionApplier applier =