1 files changed, 1 insertions, 0 deletions
diff --git a/src/core/main.c b/src/core/main.c
index 75c5ff81f2..9fcd3fe1bd 100644
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -289,6 +289,7 @@ static int parse_crash_chvt(const char *value) {
 }
 
 static int set_machine_id(const char *m) {
+        assert(m);
 
         if (sd_id128_from_string(m, &arg_machine_id) < 0)
                 return -EINVAL;