--- a/extensions/ACCOUNT/Makefile.am
+++ b/extensions/ACCOUNT/Makefile.am
@@ -3,7 +3,7 @@
 AM_CPPFLAGS = ${regular_CPPFLAGS} -I${abs_top_srcdir}/extensions
 AM_CFLAGS   = ${regular_CFLAGS} ${libxtables_CFLAGS}
 
-include ${top_srcdir}/Makefile.extra
+include ../../Makefile.extra
 
 sbin_PROGRAMS = iptaccount
 iptaccount_LDADD = libxt_ACCOUNT_cl.la
