--- mod_gnutls-0.5.10-r1.ebuild
+++ mod_gnutls-0.5.10-r1.ebuild
@@ -28,6 +28,7 @@
 	epatch "${FILESDIR}/${P}-httpd24.patch"
 	epatch "${FILESDIR}/${PN}_apr_memcache_m4_dirty.patch"
 	epatch "${FILESDIR}/${P}-no-extra.patch"
+	sed -e "s/AM_CONFIG_HEADER/AC_CONFIG_HEADERS/" -i configure.ac
 	epatch_user
 	eautoreconf
 }