diff --git a/src/job.c b/src/job.c
index 1271c77..7607f7b 100644
--- a/src/job.c
+++ b/src/job.c
@@ -1726,9 +1726,7 @@
     char_u	*text;
 
     if (in_vim9script()
-	    && ((argvars[0].v_type != VAR_STRING
-		    && argvars[0].v_type != VAR_NUMBER
-		    && check_for_string_arg(argvars, 0) == FAIL)
+	    && (check_for_string_or_number_arg(argvars, 0) == FAIL
 		|| check_for_string_arg(argvars, 1) == FAIL))
 	return;
 
@@ -1875,9 +1873,15 @@
     void
 f_job_setoptions(typval_T *argvars, typval_T *rettv UNUSED)
 {
-    job_T	*job = get_job_arg(&argvars[0]);
+    job_T	*job;
     jobopt_T	opt;
 
+    if (in_vim9script()
+	    && (check_for_job_arg(argvars, 0) == FAIL
+		|| check_for_dict_arg(argvars, 1) == FAIL))
+	return;
+
+    job = get_job_arg(&argvars[0]);
     if (job == NULL)
 	return;
     clear_job_options(&opt);
@@ -1928,8 +1932,14 @@
     void
 f_job_stop(typval_T *argvars, typval_T *rettv)
 {
-    job_T	*job = get_job_arg(&argvars[0]);
+    job_T	*job;
 
+    if (in_vim9script()
+	    && (check_for_job_arg(argvars, 0) == FAIL
+		|| check_for_opt_string_or_number_arg(argvars, 1) == FAIL))
+	return;
+
+    job = get_job_arg(&argvars[0]);
     if (job != NULL)
 	rettv->vval.v_number = job_stop(job, argvars, NULL);
 }