diff --git a/meta/classes/autotools.bbclass b/meta/classes/autotools.bbclass
index e4e034b..874e01d 100644
--- a/meta/classes/autotools.bbclass
+++ b/meta/classes/autotools.bbclass
@@ -130,7 +130,8 @@ autotools_do_configure() {
 		if [ x"${acpaths}" = xdefault ]; then
 			acpaths=
 			for i in `find ${S} -maxdepth 2 -name \*.m4|grep -v 'aclocal.m4'| \
-				grep -v 'acinclude.m4' | sed -e 's,\(.*/\).*$,\1,'|sort -u`; do
+				grep -v 'acinclude.m4' | sed -e 's,\(.*/\).*$,\1,'|sort -u| \
+				sed -e 's,${S},\.,'`; do
 				acpaths="$acpaths -I $i"
 			done
 		else