diff --git a/k/k.c b/k/k.c
index a66b1e0..40a4ae5 100644
--- a/k/k.c
+++ b/k/k.c
@@ -26,6 +26,7 @@
 #include "multiboot.h"
 #include "stdio.h"
 #include "serial.h"
+#include "gdt.h"
 
 static void k_init(void)
 {