diff -Nur a/startlxqt.in b/startlxqt.in
--- a/startlxqt.in	2017-10-21 20:39:00.000000000 +0100
+++ b/startlxqt.in	2017-12-16 12:15:51.224228628 +0000
@@ -84,11 +84,8 @@
     fi
 fi
 
-# Qt4 platform plugin
-export QT_PLATFORM_PLUGIN=lxqt
-
 # Qt5 platform plugin
-export QT_QPA_PLATFORMTHEME=lxqt
+export QT_QPA_PLATFORMTHEME=gtk2
 
 # use lxqt-applications.menu for main app menu
 export XDG_MENU_PREFIX="lxqt-"