diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index f20fc3354c..dceba4bd7a 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -10,6 +10,7 @@
 #include <errno.h>
 #include <pci.h>
 #include <usb.h>
+#include <asm/io.h>
 
 #include "ehci.h"