diff --git a/sound/firewire/fcp.c b/sound/firewire/fcp.c
index c20bd9c8f5ab28e1eac852f2c6a5b1fbe304d8e6..ec578b5ad8da1f45738b76f714574243db76a1db 100644
--- a/sound/firewire/fcp.c
+++ b/sound/firewire/fcp.c
@@ -13,6 +13,7 @@
 #include <linux/sched.h>
 #include <linux/spinlock.h>
 #include <linux/wait.h>
+#include <linux/delay.h>
 #include "fcp.h"
 #include "lib.h"