--- a/Makefile.am	2003-05-04 11:41:26.000000000 +0200
+++ b/Makefile.am	2015-08-30 13:35:53.976381119 +0200
@@ -7,7 +7,7 @@
 if HAVE_LIBDVDREAD
 DVDXCHAP=dvdxchap
 DVDXCHAP_MAN=dvdxchap.1
-INCLUDES=$(DVDREAD_CFLAGS)
+AM_CPPFLAGS=$(DVDREAD_CFLAGS)
 endif
 
 bin_PROGRAMS = ogmmerge ogmdemux ogminfo ogmsplit ogmcat $(DVDXCHAP)