diff -ur dracut-040.orig/dracut.sh dracut-040/dracut.sh
--- dracut-040.orig/dracut.sh	2014-11-21 14:04:57.000000000 +0000
+++ dracut-040/dracut.sh	2014-11-22 13:19:07.066000000 +0000
@@ -163,8 +163,6 @@
   --install-optional [LIST]  Install the space separated list of files into the
                          initramfs, if they exist.
   --gzip                Compress the generated initramfs using gzip.
-                         This will be done by default, unless another
-                         compression option or --no-compress is passed.
   --bzip2               Compress the generated initramfs using bzip2.
                          Make sure your kernel has bzip2 decompression support
                          compiled in, otherwise you will not be able to boot.
@@ -172,6 +170,8 @@
                          Make sure your kernel has lzma support compiled in,
                          otherwise you will not be able to boot.
   --xz                  Compress the generated initramfs using xz.
+                         This will be done by default, unless another
+                         compression option or --no-compress is passed.
                          Make sure that your kernel has xz support compiled
                          in, otherwise you will not be able to boot.
   --lzo                 Compress the generated initramfs using lzop.
@@ -817,7 +817,7 @@
 fw_dir=${fw_dir//:/ }
 
 # handle compression options.
-[[ $compress ]] || compress="gzip"
+[[ $compress ]] || compress="xz"
 case $compress in
     bzip2) compress="bzip2 -9";;
     lzma)  compress="lzma -9 -T0";;