diff --git a/drivers/bios_emulator/atibios.c b/drivers/bios_emulator/atibios.c
index d1dc35d..9c7f14e 100644
--- a/drivers/bios_emulator/atibios.c
+++ b/drivers/bios_emulator/atibios.c
@@ -51,6 +51,7 @@
 #include <log.h>
 #include <malloc.h>
 #include <vbe.h>
+#include <linux/delay.h>
 #include "biosemui.h"
 
 /* Length of the BIOS image */