diff --git a/quickstep/src/com/android/quickstep/util/MotionPauseDetector.java b/quickstep/src/com/android/quickstep/util/MotionPauseDetector.java
index d0f6879..da5f59e 100644
--- a/quickstep/src/com/android/quickstep/util/MotionPauseDetector.java
+++ b/quickstep/src/com/android/quickstep/util/MotionPauseDetector.java
@@ -193,7 +193,10 @@
                 if (isFirstDetectedPause) {
                     mOnMotionPauseListener.onMotionPauseDetected();
                 }
-                mOnMotionPauseListener.onMotionPauseChanged(mIsPaused);
+                // Null check again as onMotionPauseDetected() maybe have called clear().
+                if (mOnMotionPauseListener != null) {
+                    mOnMotionPauseListener.onMotionPauseChanged(mIsPaused);
+                }
             }
         }
     }