diff --git a/lib/util-iso-boot.sh b/lib/util-iso-boot.sh
index b16d46c..2aa3dc4 100644
--- a/lib/util-iso-boot.sh
+++ b/lib/util-iso-boot.sh
@@ -108,6 +108,7 @@ prepare_efi_loader(){
 }
 
 check_syslinux_select(){
+    local boot=$2/${iso_name}/boot
     if [[ ! -f ${boot}/x86_64/vmlinuz ]] ; then
         msg2 "Configuring syslinux for i686 architecture only ..."
         sed -e "s/select.cfg/i686_inc.cfg/g" -i "$1/miso.cfg"