machine-id-setup: use empty_or_root()

diff --git a/src/shared/machine-id-setup.c b/src/shared/machine-id-setup.c
index df99b0b009537ca48df2126e793ac93755db2fe2..8dab2ad4282c09db2b9d4dff685a3322aecf5e77 100644 (file)
--- a/src/shared/machine-id-setup.c
+++ b/src/shared/machine-id-setup.c
@@ -61,7 +61,7 @@ static int generate_machine_id(const char *root, sd_id128_t *ret) {
                 return 0;
         }
 
-        if (isempty(root) && running_in_chroot() <= 0) {
+        if (empty_or_root(root) && running_in_chroot() <= 0) {
                 /* Let's use a system credential for the machine ID if we can */
                 r = acquire_machine_id_from_credential(ret);
                 if (r >= 0)