diff --git a/kde/kvantum/Sweet-transparent-toolbar.kvconfig b/kde/kvantum/Sweet-transparent-toolbar.kvconfig
index bcf6835..bf74a37 100644
--- a/kde/kvantum/Sweet-transparent-toolbar.kvconfig
+++ b/kde/kvantum/Sweet-transparent-toolbar.kvconfig
@@ -57,7 +57,7 @@ submenu_overlap=0
 tooltip_delay=-1
 tree_branch_line=true
 dark_titlebar=true
-opaque=QMPlay2,kaffeine,kmplayer,subtitlecomposer,kdenlive,vlc,avidemux,avidemux2_qt4,avidemux3_qt4,avidemux3_qt5,kamoso,QtCreator,VirtualBox,trojita,dragon,digikam
+opaque=QMPlay2,kaffeine,kmplayer,subtitlecomposer,kdenlive,vlc,avidemux,avidemux2_qt4,avidemux3_qt4,avidemux3_qt5,kamoso,QtCreator,VirtualBox,trojita,dragon,digikam,virtualboxvm
 reduce_window_opacity=18
 scrollable_menu=false
 submenu_delay=250