diff -urpa dracut-047.orig/dracut.sh dracut-047/dracut.sh
--- dracut-047.orig/dracut.sh	2018-03-15 12:07:49.000000000 +0000
+++ dracut-047/dracut.sh	2018-03-15 12:10:37.580977945 +0000
@@ -180,8 +180,6 @@ Creates initial ramdisk images for prelo
   --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.
@@ -189,6 +187,8 @@ Creates initial ramdisk images for prelo
                          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.
@@ -809,6 +809,7 @@ fi
 if ! [[ $compress ]]; then
     # check all known compressors, if none specified
     for i in pigz gzip lz4 lzop zstd lzma xz lbzip2 bzip2 cat; do
+    for i in xz lzma bzip2 lbzip2 gzip pigz lz4 lzop zstd cat; do
         command -v "$i" &>/dev/null || continue
         compress="$i"
         break