diff --git a/Demo/ARM7_AT91SAM7S64_IAR/USB/USBSample.c b/Demo/ARM7_AT91SAM7S64_IAR/USB/USBSample.c
index 5ee982e9a..06b4b5357 100644
--- a/Demo/ARM7_AT91SAM7S64_IAR/USB/USBSample.c
+++ b/Demo/ARM7_AT91SAM7S64_IAR/USB/USBSample.c
@@ -491,7 +491,7 @@ const char pxConfigDescriptor[] = {
 	0x01,			/* bNumEndpoints							*/
 	0x03,			/* bInterfaceClass: HID code				*/
 	0x00,			/* bInterfaceSubclass						*/
-	0x00,			/* bInterfaceProtocol						*/
+	0x01,			/* bInterfaceProtocol						*/
 	usbINTERFACE_STRING,/* iInterface							*/
 
 	/* HID Descriptor */
diff --git a/Demo/lwIP_Demo_Rowley_ARM7/USB/descriptors.h b/Demo/lwIP_Demo_Rowley_ARM7/USB/descriptors.h
index b79ddc075..2a0f7cf50 100644
--- a/Demo/lwIP_Demo_Rowley_ARM7/USB/descriptors.h
+++ b/Demo/lwIP_Demo_Rowley_ARM7/USB/descriptors.h
@@ -148,7 +148,7 @@ const char pxConfigDescriptor[] = {
 	0x01,				/* bNumEndpoints						*/
 	0x02,				/* bInterfaceClass: Comm Interface Class */
 	0x02,				/* bInterfaceSubclass: Abstract Control Model*/
-	0x00,				/* bInterfaceProtocol					*/
+	0x01,				/* bInterfaceProtocol					*/
 	usbINTERFACE_STRING,/* iInterface							*/
 
 	/* Header Functional Descriptor								*/
@@ -196,7 +196,7 @@ const char pxConfigDescriptor[] = {
 	0x02,				/* bNumEndPoints						*/
 	0x0A,				/* bInterfaceClass						*/
 	0x00,				/* bInterfaceSubclass					*/
-	0x00,				/* bInterfaceProtocol					*/
+	0x01,				/* bInterfaceProtocol					*/
 	0x00,				/* iInterface							*/
 
 	/* CDC Data - Endpoint 1 descriptor */