diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index d2e1296..1335616 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -437,7 +437,7 @@
 	return -1;
 }
 
-#ifdef CONFIG_MACH_EFIKA_MX_SMARTBOOK
+#if defined(CONFIG_MACH_EFIKA_MX_SMARTBOOK) && defined(CONFIG_USB_ULPI)
 #include <usb/ulpi.h>
 /*
  * Add support for setting CHRGVBUS to workaround a hardware bug on efika mx/sb