diff -u -ubr a/resources/forms/trapFlash.ui b/resources/forms/trapFlash.ui
--- a/resources/forms/trapFlash.ui     2017-05-09 15:59:42.177965830 +0200
+++ b/resources/forms/trapFlash.ui     2017-05-09 16:00:08.547747097 +0200
@@ -113,7 +113,7 @@
   <customwidget>
    <class>QWebView</class>
    <extends>QWidget</extends>
-   <header>QtWebKit/QWebView</header>
+   <header>QtWebKitWidgets/QWebView</header>
   </customwidget>
  </customwidgets>
  <resources/>