diff --git a/services/core/java/com/android/server/wm/DisplayContent.java b/services/core/java/com/android/server/wm/DisplayContent.java
index faed11b..d93a62d 100644
--- a/services/core/java/com/android/server/wm/DisplayContent.java
+++ b/services/core/java/com/android/server/wm/DisplayContent.java
@@ -1732,7 +1732,7 @@
             }
             // The orientation source may not be the top if it uses SCREEN_ORIENTATION_BEHIND.
             final ActivityRecord topCandidate = !r.isVisibleRequested() ? topRunningActivity() : r;
-            if (handleTopActivityLaunchingInDifferentOrientation(
+            if (topCandidate != null && handleTopActivityLaunchingInDifferentOrientation(
                     topCandidate, r, true /* checkOpening */)) {
                 // Display orientation should be deferred until the top fixed rotation is finished.
                 return false;