diff --git a/kern/start.c b/kern/start.c
index 9778dd9..38f2922 100644
--- a/kern/start.c
+++ b/kern/start.c
@@ -1,3 +1,4 @@
+#include <endian.h>
 #include <badrand.h>
 #include <hexdump.h>
 #include <assert.h>