diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
index 82e670b7b49b6..64f228f41df9d 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
@@ -43,6 +43,7 @@ import android.graphics.Paint;
 import android.graphics.PointF;
 import android.graphics.Rect;
 import android.os.Bundle;
+import android.os.SystemProperties;
 import android.os.UserHandle;
 import android.provider.Settings;
 import android.util.AttributeSet;
@@ -129,7 +130,12 @@ public class NotificationStackScrollLayout extends ViewGroup implements Dumpable
 
     public static final float BACKGROUND_ALPHA_DIMMED = 0.7f;
     private static final String TAG = "StackScroller";
-    private static final boolean DEBUG = false;
+
+    // Usage:
+    // adb shell setprop persist.debug.nssl true && adb reboot
+    private static final boolean DEBUG = SystemProperties.getBoolean("persist.debug.nssl",
+            false /* default */);
+
     private static final float RUBBER_BAND_FACTOR_NORMAL = 0.35f;
     private static final float RUBBER_BAND_FACTOR_AFTER_EXPAND = 0.15f;
     private static final float RUBBER_BAND_FACTOR_ON_PANEL_EXPAND = 0.21f;