Index: /trunk/src/VBox/HostDrivers/VBoxNetFlt/Makefile.kmk
===================================================================
--- /trunk/src/VBox/HostDrivers/VBoxNetFlt/Makefile.kmk	(revision 84540)
+++ /trunk/src/VBox/HostDrivers/VBoxNetFlt/Makefile.kmk	(revision 84541)
@@ -401,5 +401,5 @@
 		$(PATH_SUB_CURRENT)/win/nobj/VBoxNetFltNobjT.idl \
 		| $$(dir $$@)
-ifdef VBOX_WITH_AUTOMATIC_DEFS_QUOTING
+ifdef KMK_WITH_QUOTING
 	$(VBOX_MIDL_REDIRECT) $(VBOX_WIN_MIDL) /nologo \
 		/out $(call VBOX_FN_MAKE_WIN_PATH,$(VBoxNetFltNobj_0_OUTDIR)) \
@@ -411,5 +411,5 @@
 		/out $(call VBOX_FN_MAKE_WIN_PATH,$(VBoxNetFltNobj_0_OUTDIR)) \
 		/cpp_cmd $(VBOX_MIDL_CPP_CMD) \
-		$(addprefix /I , $(call VBOX_FN_MAKE_WIN_PATH,$(SDK_$(VBOX_WINDDK)_INCS))) \
+		$(foreach incdir, $(SDK_$(VBOX_WINDDK)_INCS),/I $(call VBOX_FN_MAKE_WIN_PATH,$(incdir)) ) \
 		$(call VBOX_FN_MAKE_WIN_PATH,$<)
 endif