diff --git a/Documentation/Makefile b/Documentation/Makefile
index 0d9ffb4ad..ed8b88680 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -33,6 +33,8 @@ man7dir=$(mandir)/man7
 
 INSTALL?=install
 
+-include ../config.mak.autogen
+
 #
 # Please note that there is a minor bug in asciidoc.
 # The version after 6.0.3 _will_ include the patch found here: