diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile
index be3c9b8..80b4008 100644
--- a/drivers/usb/Makefile
+++ b/drivers/usb/Makefile
@@ -21,6 +21,7 @@
 obj-$(CONFIG_USB_R8A66597_HCD)	+= host/
 obj-$(CONFIG_USB_HWA_HCD)	+= host/
 obj-$(CONFIG_USB_ISP1760_HCD)	+= host/
+obj-$(CONFIG_USB_IMX21_HCD)	+= host/
 
 obj-$(CONFIG_USB_C67X00_HCD)	+= c67x00/