diff --git a/bootloaders/caterina/Caterina-Leonardo.hex b/bootloaders/caterina/Caterina-Leonardo.hex
index c882f7f..44a452e 100644
--- a/bootloaders/caterina/Caterina-Leonardo.hex
+++ b/bootloaders/caterina/Caterina-Leonardo.hex
@@ -1,117 +1,120 @@
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diff --git a/bootloaders/caterina/src/Platform.h b/bootloaders/caterina/src/Platform.h
index 37c26de..75e5bc3 100644
--- a/bootloaders/caterina/src/Platform.h
+++ b/bootloaders/caterina/src/Platform.h
@@ -14,7 +14,7 @@
 #define CPU_PRESCALE(n)	(CLKPR = 0x80, CLKPR = (n))
 #define DISABLE_JTAG()  MCUCR = (1 << JTD) | (1 << IVCE) | (0 << PUD); MCUCR = (1 << JTD) | (0 << IVSEL) | (0 << IVCE) | (0 << PUD);
 
-#define USB_PID_LEONARDO_BOOTLOADER 0x0030
+#define USB_PID_LEONARDO_BOOTLOADER 0x008D
 #define USB_PID_MICRO_BOOTLOADER 0x0031
 #define USB_VID 0x2341	// arduino LLC vid
 #define USB_PID ARDUINO_MODEL_PID	// passed in by Makefile - 0x0034 for Leonardo, 0x0035 for MIcro
diff --git a/bootloaders/caterina/src/USBCore.cpp b/bootloaders/caterina/src/USBCore.cpp
index ac5d081..0eecacc 100644
--- a/bootloaders/caterina/src/USBCore.cpp
+++ b/bootloaders/caterina/src/USBCore.cpp
@@ -363,7 +363,9 @@ bool SendDescriptor()
 #endif
 	} else if (USB_DEVICE_DESCRIPTOR_TYPE == t)
 	{
-		desc_addr = (const uint8_t*)&USB_DeviceDescriptor;
+		if (setup.wLength == 8)
+			_cdcComposite = 1;
+		desc_addr = _cdcComposite ?  (const uint8_t*)&USB_DeviceDescriptorA : (const uint8_t*)&USB_DeviceDescriptor;
 	}
 	else if (USB_CONFIGURATION_DESCRIPTOR_TYPE == t)
 	{
diff --git a/bootloaders/caterina/src/USBDesc.cpp b/bootloaders/caterina/src/USBDesc.cpp
index a634d4d..a84f3be 100644
--- a/bootloaders/caterina/src/USBDesc.cpp
+++ b/bootloaders/caterina/src/USBDesc.cpp
@@ -46,8 +46,8 @@ const uint16_t STRING_IMANUFACTURER[12] = {
 	'A','r','d','u','i','n','o',' ','L','L','C'
 };
 
-
-DeviceDescriptor USB_DeviceDescriptor = D_DEVICE(0X02,0X00,0X00,64,USB_VID,USB_PID,0x100,0,IPRODUCT,ISERIAL,1);
+DeviceDescriptor USB_DeviceDescriptorA = D_DEVICE(0X02,0X00,0X00,64,USB_VID,USB_PID,0x100,0,IPRODUCT,ISERIAL,1);
+DeviceDescriptor USB_DeviceDescriptor = D_DEVICE(0x00,0x00,0x00,64,USB_VID,USB_PID,0x100,0,IPRODUCT,ISERIAL,1);
 
 Config USB_ConfigDescriptor =
 {