diff --git a/dom0/qvm-core/qubes.py b/dom0/qvm-core/qubes.py
index 8cfca7bb..2e7dde93 100755
--- a/dom0/qvm-core/qubes.py
+++ b/dom0/qvm-core/qubes.py
@@ -2090,9 +2090,9 @@ class QubesHVm(QubesVm):
         if self.drive:
             stat_res = os.stat(self.drive)
             if stat.S_ISBLK(stat_res.st_mode):
-                params['otherdevs'] = "'phy:%s,hdc:cdrom,r'," % self.drive
+                params['otherdevs'] = "'phy:%s,xvdc:cdrom,r'," % self.drive
             else:
-                params['otherdevs'] = "'script:file:%s,hdc:cdrom,r'," % self.drive
+                params['otherdevs'] = "'script:file:%s,xvdc:cdrom,r'," % self.drive
         else:
              params['otherdevs'] = ''
         return params
diff --git a/rpm_spec/core-dom0.spec b/rpm_spec/core-dom0.spec
index 19bd8ea9..f9043586 100644
--- a/rpm_spec/core-dom0.spec
+++ b/rpm_spec/core-dom0.spec
@@ -40,6 +40,7 @@ BuildRequires:  xen-devel
 Requires:	python, xen-runtime, pciutils, python-inotify, python-daemon, kernel-qubes-dom0
 Conflicts:      qubes-gui-dom0 < 1.1.13
 Requires:       xen >= 4.1.0-2
+Requires:       xen-hvm
 Requires:       createrepo
 Requires:       gnome-packagekit
 Requires:       cronie