Index: /trunk/Config.kmk
===================================================================
--- /trunk/Config.kmk	(revision 38030)
+++ /trunk/Config.kmk	(revision 38031)
@@ -576,6 +576,8 @@
  VBOX_WITH_NETFLT = 1
  ifeq ($(KBUILD_TARGET),solaris)
- # Disabled until some Nevada version ships the required headers.
+ # Disable for OSE, requires snv_159+.
+  ifndef VBOX_OSE
    VBOX_WITH_NETFLT_CROSSBOW = 1
+  endif
  endif
  # Use VBoxNetAdp for host only networking.