util: fix copy-paste error and actually set the new hostname

Reported-by: sztanpet on irc

1 files changed, 1 insertions, 1 deletions

diff --git a/src/shared/util.c b/src/shared/util.c
index 7d94a28302..4143f6d643 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -7189,7 +7189,7 @@ int sethostname_idempotent(const char *s) {
         if (streq(buf, s))
                 return 0;
 
-        r = sethostname(buf, strlen(buf));
+        r = sethostname(s, strlen(s));
         if (r < 0)
                 return -errno;