--- ./arch/i386/Makefile.orig	2010-06-29 21:31:33.000000000 +0200
+++ ./arch/i386/Makefile	2010-08-07 16:06:23.000000000 +0200
@@ -72,7 +72,8 @@
 ISOLINUX_BIN_LIST	:= \
 	$(ISOLINUX_BIN) \
 	/usr/lib/syslinux/isolinux.bin \
-	/usr/share/syslinux/isolinux.bin
+	%%PREFIX%%/share/syslinux/isolinux.bin \
+	%%PREFIX%%/share/syslinux/isolinux.bin
 ISOLINUX_BIN	= $(firstword $(wildcard $(ISOLINUX_BIN_LIST)))
 
 # i386-specific directories containing source files
