diff --git a/.config b/.config
index e87acc7..38e2d75 100644
--- a/.config
+++ b/.config
@@ -9,6 +9,9 @@
 # in order to update isolinux.bin for CD booting.
 LIVEKITNAME="mylinux"
 
+# Kernel file, will be copied to your Live Kit
+VMLINUZ=/boot/vmlinuz
+
 # Kernel version. Change it to "3.2.28" for example, if you are building
 # Live Kit with a different kernel than the one you are actually running
 KERNEL=$(uname -r)
diff --git a/README b/README
index a860900..ad417a3 100644
--- a/README
+++ b/README
@@ -7,6 +7,8 @@ distribution into a Live Kit (formely known as Live CD).
 * Before you start building your Kit, edit the file ./.config
   Most importantly change the LIVEKITNAME variable.
 
+* Make sure your kernel is in /boot/vmlinuz
+
 * You may also wish to replace boot graphics in ./bootfiles/bootlogo.png
   and reorganize isolinux.cfg to fit your needs (when editing the file,
   keep all paths in /boot/, it will be rellocated during LiveKit creation)
@@ -17,7 +19,7 @@ distribution into a Live Kit (formely known as Live CD).
   of that. Simply go to directory ./tools/ and run isolinux.bin.update ...
   it will update ./bootfiles/isolinux.bin automatically by downloading
   isolinux sources, patching them using your actual LIVEKITNAME and
-  recompiling.
+  recompiling. This step is not needed if you plan to boot from USB only.
 
 * When done, run the ./build script to create your Live Kit
   - it will create ISO and TAR files for you in /tmp
diff --git a/build b/build
index 7c49ece..3392dc3 100755
--- a/build
+++ b/build
@@ -34,7 +34,7 @@ mv "$INITRAMFS" $BOOT/initrfs.img
 cp bootfiles/* $BOOT
 cat bootfiles/syslinux.cfg | sed -r "s:/boot/:/$LIVEKITNAME/boot/:" > $BOOT/syslinux.cfg
 cat bootfiles/bootinst.bat | sed -r "s:/boot/:/$LIVEKITNAME/boot/:" | sed -r "s:\\\\boot\\\\:\\\\$LIVEKITNAME\\\\boot\\\\:" > $BOOT/bootinst.bat
-cp /boot/vmlinuz $BOOT/
+cp $VMLINUZ $BOOT/
 
 if [ -d sb ]; then
    cp sb/* $LIVEKITDATA/$LIVEKITNAME/
diff --git a/livekitlib b/livekitlib
index 8233ca1..6a45a51 100644
--- a/livekitlib
+++ b/livekitlib
@@ -196,7 +196,7 @@ init_union()
    echo "Setting up union using AUFS 3"
    mkdir -p "$1"
    mkdir -p "$2"
-   mount -t aufs -o xino="/.xino",br="$1" aufs "$2"
+   mount -t aufs -o xino="/.xino",trunc_xino,br="$1" aufs "$2"
 }
 
 # Return device mounted for given directory