Index: /trunk/src/VBox/Additions/linux/installer/vboxadd.sh
===================================================================
--- /trunk/src/VBox/Additions/linux/installer/vboxadd.sh	(revision 54962)
+++ /trunk/src/VBox/Additions/linux/installer/vboxadd.sh	(revision 54963)
@@ -287,5 +287,5 @@
 {
     begin "Starting the VirtualBox Guest Additions ";
-    uname -r | grep -q -E '^2\.6|^3' 2>/dev/null &&
+    uname -r | grep -q -E '^2\.6|^3|^4' 2>/dev/null &&
         ps -A -o comm | grep -q '/*udevd$' 2>/dev/null ||
         no_udev=1