core: fix bus serialization of conditions

diff --git a/src/core/dbus-unit.c b/src/core/dbus-unit.c
index 3c25c36729761845b1e94b7787f5d8a842a5ff9b..666c97c98d1e5cb9c064ac6501848bcbf4cbc1d0 100644 (file)
--- a/src/core/dbus-unit.c
+++ b/src/core/dbus-unit.c
@@ -326,7 +326,10 @@ static int property_get_conditions(
                 return r;
 
         LIST_FOREACH(conditions, c, u->conditions) {
-                r = sd_bus_message_append(reply, "sbbsi", condition_type_to_string(c->type), c->trigger, c->negate, c->parameter, c->state);
+                r = sd_bus_message_append(reply, "(sbbsi)",
+                                          condition_type_to_string(c->type),
+                                          c->trigger, c->negate,
+                                          c->parameter, c->state);
                 if (r < 0)
                         return r;