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-rw-r--r--src/systemctl/systemctl.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index c89920bccb..a9681798dd 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -4650,6 +4650,10 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
return 0;
case 't':
+ if (unit_type_from_string(optarg) < 0) {
+ log_error("Invalid unit type '%s'.", optarg);
+ return -EINVAL;
+ }
arg_type = optarg;
break;