diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/BubbleExpandedView.java b/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/BubbleExpandedView.java
index 7f3389599a516..86da2b502870d 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/BubbleExpandedView.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/BubbleExpandedView.java
@@ -471,13 +471,12 @@ public class BubbleExpandedView extends LinearLayout {
         mIsOverflow = overflow;
 
         Intent target = new Intent(mContext, BubbleOverflowActivity.class);
+        target.addFlags(FLAG_ACTIVITY_NEW_DOCUMENT | FLAG_ACTIVITY_MULTIPLE_TASK);
         Bundle extras = new Bundle();
         extras.putBinder(EXTRA_BUBBLE_CONTROLLER, ObjectWrapper.wrap(mController));
         target.putExtras(extras);
-        // TODO(b/175352055) Please replace FLAG_MUTABLE_UNAUDITED below
-        // with either FLAG_IMMUTABLE (recommended) or FLAG_MUTABLE.
         mPendingIntent = PendingIntent.getActivity(mContext, 0 /* requestCode */,
-                target, PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_MUTABLE_UNAUDITED);
+                target, PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE);
         mSettingsIcon.setVisibility(GONE);
     }