Index: /trunk/src/VBox/Main/src-server/HostImpl.cpp
===================================================================
--- /trunk/src/VBox/Main/src-server/HostImpl.cpp	(revision 55615)
+++ /trunk/src/VBox/Main/src-server/HostImpl.cpp	(revision 55616)
@@ -304,5 +304,5 @@
 #if defined(RT_OS_WINDOWS)
     m->pHostPowerService = new HostPowerServiceWin(m->pParent);
-#elif defined(RT_OS_LINUX)
+#elif defined(RT_OS_LINUX) && defined(VBOX_WITH_DBUS)
     m->pHostPowerService = new HostPowerServiceLinux(m->pParent);
 #elif defined(RT_OS_DARWIN)