diff --git a/man/org.freedesktop.systemd1.xml b/man/org.freedesktop.systemd1.xml
index 7803cc9cf9..486785655e 100644
--- a/man/org.freedesktop.systemd1.xml
+++ b/man/org.freedesktop.systemd1.xml
@@ -426,6 +426,8 @@ node /org/freedesktop/systemd1 {
       @org.freedesktop.DBus.Property.EmitsChangedSignal("false")
       readonly t DefaultTimeoutAbortUSec = ...;
       @org.freedesktop.DBus.Property.EmitsChangedSignal("const")
+      readonly t DefaultDeviceTimeoutUSec = ...;
+      @org.freedesktop.DBus.Property.EmitsChangedSignal("const")
       readonly t DefaultRestartUSec = ...;
       @org.freedesktop.DBus.Property.EmitsChangedSignal("const")
       readonly t DefaultStartLimitIntervalUSec = ...;
@@ -674,6 +676,8 @@ node /org/freedesktop/systemd1 {
 
     <!--property DefaultTimeoutAbortUSec is not documented!-->
 
+    <!--property DefaultDeviceTimeoutUSec is not documented!-->
+
     <!--property DefaultRestartUSec is not documented!-->
 
     <!--property DefaultStartLimitIntervalUSec is not documented!-->
@@ -1082,6 +1086,8 @@ node /org/freedesktop/systemd1 {
 
     <variablelist class="dbus-property" generated="True" extra-ref="DefaultTimeoutAbortUSec"/>
 
+    <variablelist class="dbus-property" generated="True" extra-ref="DefaultDeviceTimeoutUSec"/>
+
     <variablelist class="dbus-property" generated="True" extra-ref="DefaultRestartUSec"/>
 
     <variablelist class="dbus-property" generated="True" extra-ref="DefaultStartLimitIntervalUSec"/>