diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index 232587e690..7bab818bc9 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -2812,6 +2812,9 @@
               <empty/>
             </element>
           </optional>
+          <optional>
+            <ref name="deviceBoot"/>
+          </optional>
           <optional>
             <ref name="alias"/>
           </optional>
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 25f405625b..c16036f5d8 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -10298,7 +10298,8 @@ virDomainFSDefParseXML(virDomainXMLOptionPtr xmlopt,
     def->src->path = g_steal_pointer(&source);
     def->dst = g_steal_pointer(&target);
 
-    if (virDomainDeviceInfoParseXML(xmlopt, node, &def->info, flags) < 0)
+    if (virDomainDeviceInfoParseXML(xmlopt, node, &def->info,
+                                    flags | VIR_DOMAIN_DEF_PARSE_ALLOW_BOOT) < 0)
         goto error;
 
     return def;
@@ -24858,7 +24859,7 @@ virDomainFSDefFormat(virBufferPtr buf,
     if (def->readonly)
         virBufferAddLit(buf, "<readonly/>\n");
 
-    virDomainDeviceInfoFormat(buf, &def->info, flags);
+    virDomainDeviceInfoFormat(buf, &def->info, flags | VIR_DOMAIN_DEF_FORMAT_ALLOW_BOOT);
 
     if (def->space_hard_limit)
         virBufferAsprintf(buf, "<space_hard_limit unit='bytes'>"
diff --git a/tests/qemuxml2argvdata/vhost-user-fs-hugepages.xml b/tests/qemuxml2argvdata/vhost-user-fs-hugepages.xml
index e9982150c7..3f130dd152 100644
--- a/tests/qemuxml2argvdata/vhost-user-fs-hugepages.xml
+++ b/tests/qemuxml2argvdata/vhost-user-fs-hugepages.xml
@@ -66,6 +66,7 @@
       <binary path='/usr/libexec/virtiofsd'/>
       <source dir='/path'/>
       <target dir='mount_tag'/>
+      <boot order='2'/>
       <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>
     </filesystem>
     <input type='mouse' bus='ps2'/>