diff --git a/src/journal/journald-server.c b/src/journal/journald-server.c
index e06242769e..cf6bbcc1a8 100644
--- a/src/journal/journald-server.c
+++ b/src/journal/journald-server.c
@@ -1690,6 +1690,7 @@ void server_done(Server *s) {
         free(s->buffer);
         free(s->tty_path);
         free(s->cgroup_root);
+        free(s->hostname_field);
 
         if (s->mmap)
                 mmap_cache_unref(s->mmap);