diff --git a/src/shared/bus-unit-util.c b/src/shared/bus-unit-util.c
index a0ebf6ba32..4f82d91536 100644
--- a/src/shared/bus-unit-util.c
+++ b/src/shared/bus-unit-util.c
@@ -717,19 +717,8 @@ static int bus_append_cgroup_property(sd_bus_message *m, const char *field, cons
                 return 1;
         }
 
-        if (streq(field, "CPUQuotaPeriodSec")) {
-                usec_t u = USEC_INFINITY;
-
-                r = parse_sec_def_infinity(eq, &u);
-                if (r < 0)
-                        return log_error_errno(r, "CPU quota period '%s' invalid.", eq);
-
-                r = sd_bus_message_append(m, "(sv)", "CPUQuotaPeriodUSec", "t", u);
-                if (r < 0)
-                        return bus_log_create_error(r);
-
-                return 1;
-        }
+        if (streq(field, "CPUQuotaPeriodSec"))
+                return bus_append_parse_sec_rename(m, field, isempty(eq) ? "infinity" : eq);
 
         if (streq(field, "DeviceAllow")) {
                 if (isempty(eq))