diff --git a/configs/olimex-lpc1766stk/src/up_nsh.c b/configs/olimex-lpc1766stk/src/up_nsh.c
index c18493c94df..2174856e563 100644
--- a/configs/olimex-lpc1766stk/src/up_nsh.c
+++ b/configs/olimex-lpc1766stk/src/up_nsh.c
@@ -49,6 +49,7 @@
 #include <nuttx/mmcsd.h>
 #include <nuttx/usb/usbhost.h>
 
+#include "lpc17_ssp.h"
 #include "lpc17_gpio.h"
 #include "lpc1766stk_internal.h"