diff --git a/src/proto/channel.pro b/src/proto/channel.pro
index e6c9508..5326276 100644
--- a/src/proto/channel.pro
+++ b/src/proto/channel.pro
@@ -66,7 +66,7 @@
 void job_stop_on_exit(void);
 int has_pending_job(void);
 void job_check_ended(void);
-job_T *job_start(typval_T *argvars, char **argv_arg, jobopt_T *opt_arg);
+job_T *job_start(typval_T *argvars, char **argv_arg, jobopt_T *opt_arg, int is_terminal);
 char *job_status(job_T *job);
 void job_info(job_T *job, dict_T *dict);
 void job_info_all(list_T *l);