- return afb_wsj1_call_s(wsj1, api, verb, json_object_to_json_string_ext(object, JSON_C_TO_STRING_PLAIN), on_reply, closure);
+ const char *objstr = json_object_to_json_string_ext(object, JSON_C_TO_STRING_PLAIN);
+ int rc = afb_wsj1_call_s(wsj1, api, verb, objstr, on_reply, closure);
+ json_object_put(object);
+ return rc;