diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index c3931b67445db9e607001a99ed467496cfd6d2eb..4a430ddfbac059e69047afed1981f638340f183a 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -5422,18 +5422,6 @@ qemuBuildHostdevCommandLine(virCommandPtr cmd,
         virDomainHostdevSubsysPtr subsys = &hostdev->source.subsys;
         VIR_AUTOFREE(char *) devstr = NULL;
 
-        if (hostdev->info->bootIndex) {
-            if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS ||
-                (subsys->type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI &&
-                 subsys->type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB &&
-                 subsys->type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI)) {
-                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
-                               _("booting from assigned devices is only "
-                                 "supported for PCI, USB and SCSI devices"));
-                return -1;
-            }
-        }
-
         /* USB */
         if (hostdev->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS &&
             subsys->type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB) {
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index d0722f8761b108278f6ef5a34ec5ac5c088cb94e..ed3a8a4f0724ba526ae90ac469fea955838b6cac 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -5295,9 +5295,22 @@ qemuDomainDeviceDefValidateHostdev(const virDomainHostdevDef *hostdev,
         case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB:
         case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI:
         case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI:
+            break;
         case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI_HOST:
+            if (hostdev->info->bootIndex) {
+                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                               _("booting from assigned devices is only "
+                                 "supported for PCI, USB and SCSI devices"));
+                return -1;
+            }
             break;
         case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_MDEV:
+            if (hostdev->info->bootIndex) {
+                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                               _("booting from assigned devices is only "
+                                 "supported for PCI, USB and SCSI devices"));
+                return -1;
+            }
             mdevsrc = &hostdev->source.subsys.u.mdev;
             return qemuDomainMdevDefValidate(mdevsrc, def, qemuCaps);
         case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_LAST:
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index e5191a4cdc37d7409ae5055420b0b1a0af0ac376..59be85613e13d96738f4c7032a0301ced2eacc11 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1639,8 +1639,8 @@ mymain(void)
 
     DO_TEST_CAPS_ARCH_LATEST("hostdev-subsys-mdev-vfio-ap",
                              "s390x");
-    DO_TEST_CAPS_ARCH_LATEST_FAILURE("hostdev-subsys-mdev-vfio-ap-boot-fail",
-                                     "s390x");
+    DO_TEST_CAPS_ARCH_LATEST_PARSE_ERROR("hostdev-subsys-mdev-vfio-ap-boot-fail",
+                                         "s390x");
 
     DO_TEST_FULL("restore-v2",
                  ARG_MIGRATE_FROM, "exec:cat",
@@ -2444,7 +2444,7 @@ mymain(void)
     DO_TEST("hostdev-scsi-vhost-scsi-pci",
             QEMU_CAPS_VIRTIO_SCSI,
             QEMU_CAPS_DEVICE_VHOST_SCSI);
-    DO_TEST_CAPS_LATEST_FAILURE("hostdev-scsi-vhost-scsi-pci-boot-fail");
+    DO_TEST_CAPS_LATEST_PARSE_ERROR("hostdev-scsi-vhost-scsi-pci-boot-fail");
     DO_TEST("hostdev-scsi-vhost-scsi-pcie",
             QEMU_CAPS_KVM,
             QEMU_CAPS_VIRTIO_SCSI, QEMU_CAPS_DEVICE_VHOST_SCSI,