diff --git a/initcpio/hooks/dock0 b/initcpio/hooks/dock0
index 35a9892..411ddf4 100644
--- a/initcpio/hooks/dock0
+++ b/initcpio/hooks/dock0
@@ -5,7 +5,13 @@ run_hook() {
 dock0_mount_handler() {
     local newroot="$1"
 
-    local root="${root:=/dev/xvda}"
+    if [ -e /dev/xvda ] ; then
+        local defaultroot="/dev/xvda"
+    else
+        local defaultroot="/dev/sda"
+    fi
+
+    local root="${root:=${defaultroot}}"
     local basepath="${basepath:=/run/vm}"
     local rootfspath="${rootfspath:=latest/vm_root}"
     local cowspace="${cowspace:=/dev/mapper/luks-cowspace}"
diff --git a/initcpio/hooks/lvm-dock0 b/initcpio/hooks/lvm-dock0
index 6b14482..c9b3fbf 100644
--- a/initcpio/hooks/lvm-dock0
+++ b/initcpio/hooks/lvm-dock0
@@ -21,8 +21,14 @@ create_lv() {
 }
 
 run_earlyhook() {
+    if [ -e /dev/xvda ] ; then
+        local defaultpv="/dev/xvda"
+    else
+        local defaultpv="/dev/sda"
+    fi
+
     local vg="${vg:=dock0}"
-    local pv="${pv:=/dev/xvdb}"
+    local pv="${pv:=${defaultpv}}"
 
     mkdir /run/lvm
     lvmetad