--- Makefile.orig	2013-01-05 05:13:49.053877798 +0100
+++ Makefile	2013-01-05 06:02:23.536122526 +0100
@@ -119,6 +119,8 @@
 		${WRKSRC}/Makefile.in
 	@${REINPLACE_CMD} -e '/^pkgconfigdir/s|@libdir@|@prefix@/libdata|' \
 		${WRKSRC}/tools/Makefile.in
+	@${REINPLACE_CMD} -e '/^export PKG_CONFIG_LIBDIR=/s|@libdir@|@prefix@/libdata|' \
+		${WRKSRC}/tools/sane-config.in
 
 post-install:
 .if ${PORT_OPTIONS:MDOCS}