diff --git a/post/Makefile b/post/Makefile
index 02b51544c2025124b75aa9f5b45c425e4ac90648..c737729f9e0c366b19907733c35a73fb268e1824 100644
--- a/post/Makefile
+++ b/post/Makefile
@@ -21,6 +21,7 @@
 # MA 02111-1307 USA
 #
 
+include $(TOPDIR)/config.mk
 include $(TOPDIR)/include/autoconf.mk
 
 LIB				= libpost.a