diff --git a/configs/olimex-lpc1766stk/nsh/defconfig b/configs/olimex-lpc1766stk/nsh/defconfig
index 272555f1ca3..12a751cec9b 100755
--- a/configs/olimex-lpc1766stk/nsh/defconfig
+++ b/configs/olimex-lpc1766stk/nsh/defconfig
@@ -593,7 +593,18 @@ CONFIG_USBDEV_TRACE=n
 CONFIG_USBDEV_TRACE_NRECORDS=128
 
 #
-# LPC17xx USB Configuration
+# USB Host Configuration
+#
+# CONFIG_USBHOST
+#   Enables USB host support
+# CONFIG_USBHOST_NPREALLOC
+#   Number of pre-allocated class instances
+#
+CONFIG_USBHOST=n
+CONFIG_USBHOST_NPREALLOC=0
+
+#
+# LPC17xx USB Device Configuration
 #
 # CONFIG_LPC17_USBDEV_FRAME_INTERRUPT
 #   Handle USB Start-Of-Frame events. 
@@ -614,6 +625,27 @@ CONFIG_LPC17_USBDEV_DMA=n
 CONFIG_LPC17_USBDEV_NDMADESCRIPTORS=0
 CONFIG_LPC17_USBDEV_DMAINTMASK=0
 
+#
+# LPC17xx USB Host Configuration
+#
+# OHCI RAM layout:
+# CONFIG_USBHOST_OHCIRAM_SIZE
+#   Total size of OHCI RAM (in AHB SRAM Bank 1)
+# CONFIG_USBHOST_NEDS
+#   Number of endpoint descriptors
+# CONFIG_USBHOST_TDBUFFERS
+#   Number of transfer descriptor buffers
+# CONFIG_USBHOST_TDBUFSIZE
+#   Size of one transfer descriptor buffer
+# CONFIG_USBHOST_IOBUFSIZE
+#   Size of one end-user I/O buffer
+#
+CONFIG_USBHOST_OHCIRAM_SIZE=1280
+CONFIG_USBHOST_NEDS=2
+CONFIG_USBHOST_TDBUFFERS=3
+CONFIG_USBHOST_TDBUFSIZE=128
+CONFIG_USBHOST_IOBUFSIZE=512
+
 #
 # USB Serial Device Configuration
 #