diff --git a/mkbootimg/mkbootimg.c b/mkbootimg/mkbootimg.c
index 8fd9a3b..edc5104 100644
--- a/mkbootimg/mkbootimg.c
+++ b/mkbootimg/mkbootimg.c
@@ -278,7 +278,7 @@
     }
 
     if (get_id) {
-        print_id(sha, sizeof(hdr.id));
+        print_id((uint8_t *) hdr.id, sizeof(hdr.id));
     }
 
     return 0;