diff --git a/mdadm.changes b/mdadm.changes
index 8922746..c6cf9b6 100644
--- a/mdadm.changes
+++ b/mdadm.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Jun  1 15:09:53 CEST 2010 - mmarek@suse.cz
+
+- mkinitrd-setup.sh: Fix for empty $md_devs variable.
+
 -------------------------------------------------------------------
 Wed Mar 24 17:37:27 CET 2010 - mmarek@suse.cz
 
diff --git a/mkinitrd-setup.sh b/mkinitrd-setup.sh
index e46c257..06d43c5 100644
--- a/mkinitrd-setup.sh
+++ b/mkinitrd-setup.sh
@@ -90,7 +90,9 @@ fi
 # Remember which arrays are needed for the root or swap device and assemble
 # them all during boot. The root= or resume= option might not directly refer to
 # the array.
-md_devs=$(printf '/dev/%s ' $md_devs)
+if test -n "$md_devs"; then
+    md_devs=$(printf '/dev/%s ' $md_devs)
+fi
 
 save_var need_mdadm
 save_var md_devs
diff --git a/ready b/ready
new file mode 100644
index 0000000..473a0f4