diff --git a/doc/supplements/ChangeLog b/doc/supplements/ChangeLog
index 427e0d15b2..29bcb0fbec 100644
--- a/doc/supplements/ChangeLog
+++ b/doc/supplements/ChangeLog
@@ -1,3 +1,7 @@
+2003-09-20	Ralf Corsepius <corsepiu@faw.uni-ulm.de>
+
+	* supplement.am: Add -I $(top_builddir) TEXI2WWW_ARGS.
+
 2003-01-25	Ralf Corsepius <corsepiu@faw.uni-ulm.de>
 
 	* Makefile.am: Add c4x, cosmetical changes.
diff --git a/doc/supplements/supplement.am b/doc/supplements/supplement.am
index 752523065a..62542391d1 100644
--- a/doc/supplements/supplement.am
+++ b/doc/supplements/supplement.am
@@ -9,7 +9,7 @@ REPLACE2 = $(PERL) $(top_srcdir)/tools/word-replace2
 html_projectdir = $(htmldir)/supplements/$(PROJECT)
 
 TEXI2WWW_ARGS=\
--I $(srcdir) -I $(top_srcdir) \
+-I $(srcdir) -I $(top_srcdir) -I $(top_builddir) \
 -dirfile ../../index.html \
 -header rtems_header.html \
 -footer rtems_footer.html \