https://bugs.gentoo.org/925347

--- a/src/VBox/Frontends/VirtualBox/Makefile.kmk
+++ b/src/VBox/Frontends/VirtualBox/Makefile.kmk
@@ -1669,7 +1669,7 @@
 # The Qt modules we're using.
 # (The include directory and lib/framework for each module will be added by the Qt unit.)
 #
-UICommon_QT_MODULES = Core Gui Widgets Help StateMachine
+UICommon_QT_MODULES = Core Gui Widgets Help PrintSupport StateMachine
 ifdef VBOX_WITH_SCREENSAVER_CONTROL
  UICommon_QT_MODULES.linux    += DBus
  UICommon_QT_MODULES.linux    += Xml
