Index: /trunk/src/VBox/Additions/WINNT/Makefile.kmk
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Makefile.kmk	(revision 17269)
+++ /trunk/src/VBox/Additions/WINNT/Makefile.kmk	(revision 17270)
@@ -37,5 +37,5 @@
  include $(PATH_SUB_CURRENT)/SharedFolders/Makefile.kmk
 endif
-ifneq ($(wildcard $(PATH_SUB_CURRENT)/Installer),)
+ifneq ($(wildcard $(PATH_SUB_CURRENT)/Installer/Makefile.kmk),)
  include $(PATH_SUB_CURRENT)/Installer/Makefile.kmk
 endif