1 files changed, 1 insertions, 1 deletions
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index c567c8d272..b6d9bc631c 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -1289,7 +1289,7 @@ static int setup_hostname(void) {
         if (arg_share_system)
                 return 0;
 
-        if (sethostname(arg_machine, strlen(arg_machine)) < 0)
+        if (sethostname_idempotent(arg_machine) < 0)
                 return -errno;
 
         return 0;