Bug with native.showWebPopup()

Hi, I noticed a bug I didn’t have with build 840.
Now with build 894, in my menu when I call native.showWebPopup(), it opens, then I click the back button of my mobile to clear it (come back to the menu). Now if I call again this popup nothing open! How to fix it?
Thanks [import]uid: 107239 topic_id: 30838 reply_id: 330838[/import]