diff --git a/src/core/dbus-unit.c b/src/core/dbus-unit.c
index f398dabc8d..ca81f6acc7 100644
--- a/src/core/dbus-unit.c
+++ b/src/core/dbus-unit.c
@@ -675,7 +675,7 @@ const sd_bus_vtable bus_unit_vtable[] = {
         SD_BUS_PROPERTY("SuccessAction", "s", property_get_emergency_action, offsetof(Unit, success_action), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("SuccessActionExitStatus", "i", bus_property_get_int, offsetof(Unit, success_action_exit_status), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("RebootArgument", "s", NULL, offsetof(Unit, reboot_arg), SD_BUS_VTABLE_PROPERTY_CONST),
-        SD_BUS_PROPERTY("InvocationID", "ay", bus_property_get_id128, offsetof(Unit, invocation_id), 0),
+        SD_BUS_PROPERTY("InvocationID", "ay", bus_property_get_id128, offsetof(Unit, invocation_id), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
         SD_BUS_PROPERTY("CollectMode", "s", property_get_collect_mode, offsetof(Unit, collect_mode), 0),
         SD_BUS_PROPERTY("Refs", "as", property_get_refs, 0, 0),
 
diff --git a/src/core/unit.c b/src/core/unit.c
index 175c56f48a..9f715b164c 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -4986,6 +4986,7 @@ int unit_acquire_invocation_id(Unit *u) {
         if (r < 0)
                 return log_unit_error_errno(u, r, "Failed to set invocation ID for unit: %m");
 
+        unit_add_to_dbus_queue(u);
         return 0;
 }