diff --git a/src/cli.c b/src/cli.c
index 05cc15e..038bdd3 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -327,7 +327,7 @@
 				set = 0;
 				break;
 			}
-			if (parse_process_number(args[cur_arg], &set, err)) {
+			if (parse_process_number(args[cur_arg], &set, NULL, err)) {
 				memprintf(err, "'%s %s' : %s", args[0], args[1], *err);
 				return -1;
 			}