diff --git a/core/java/android/view/WindowOrientationListener.java b/core/java/android/view/WindowOrientationListener.java
index 3e2e92b50961e..2a76e33f94fe9 100755
--- a/core/java/android/view/WindowOrientationListener.java
+++ b/core/java/android/view/WindowOrientationListener.java
@@ -109,7 +109,9 @@ public abstract class WindowOrientationListener {
     }
 
     public void setAllow180Rotation(boolean allowed) {
-        mSensorEventListener.setAllow180Rotation(allowed);
+        if (mSensorEventListener != null) {
+            mSensorEventListener.setAllow180Rotation(allowed);
+        }
     }
 
     public int getCurrentRotation(int lastRotation) {