diff --git a/arch/arm/src/lpc17xx/lpc17_usb.h b/arch/arm/src/lpc17xx/lpc17_usb.h
index 3f4c532eb6d..40c491811ef 100755
--- a/arch/arm/src/lpc17xx/lpc17_usb.h
+++ b/arch/arm/src/lpc17xx/lpc17_usb.h
@@ -473,7 +473,7 @@
 /* USB MaxPacketSize */
 
 #define USBDEV_MAXPSIZE_SHIFT            (0)       /* Bits 0-9: Maximum packet size value */
-#define USBDEV_MAXPSIZE_                 (0x3ff << USBDEV_MAXPSIZE_SHIFT)
+#define USBDEV_MAXPSIZE_MASK             (0x3ff << USBDEV_MAXPSIZE_SHIFT)
                                                    /* Bits 10-31: Reserved */
 /* DMA registers:
  *
diff --git a/arch/arm/src/lpc17xx/lpc17_usbhost.c b/arch/arm/src/lpc17xx/lpc17_usbhost.c
index 291d53ab7e8..5d1ae17275c 100755
--- a/arch/arm/src/lpc17xx/lpc17_usbhost.c
+++ b/arch/arm/src/lpc17xx/lpc17_usbhost.c
@@ -88,7 +88,7 @@
 
 /* CLKCTRL enable bits */
 
-#define LPC17_CLKCTRL_ENABLES (USBOTG_CLK_HOSTCLK|USBDEV_CLK_PORTSELCLK|USBOTG_CLK_AHBCLK)
+#define LPC17_CLKCTRL_ENABLES (USBOTG_CLK_HOSTCLK|USBOTG_CLK_PORTSELCLK|USBOTG_CLK_AHBCLK)
 
 /* Dump GPIO registers */
 
@@ -1417,7 +1417,7 @@ FAR struct usbhost_driver_s *usbhost_initialize(int controller)
 
   /* Now we can turn off the PORTSEL clock */
 
-  lpc17_putreg((LPC17_CLKCTRL_ENABLES & ~USBDEV_CLK_PORTSELCLK), LPC17_USBOTG_CLKCTRL);
+  lpc17_putreg((LPC17_CLKCTRL_ENABLES & ~USBOTG_CLK_PORTSELCLK), LPC17_USBOTG_CLKCTRL);
 
   /* Configure I/O pins */