diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java b/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java
index e2ec95eb600dc..3e339d8b29406 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java
@@ -130,7 +130,7 @@ public class NotificationStackScrollLayout extends ViewGroup
     private boolean mIsBeingDragged;
     private int mLastMotionY;
     private int mDownX;
-    private int mActivePointerId;
+    private int mActivePointerId = INVALID_POINTER;
     private boolean mTouchIsClick;
     private float mInitialTouchX;
     private float mInitialTouchY;