diff --git a/module_usb_audio/devicedefines.h b/module_usb_audio/devicedefines.h
index 48397e2e..568e05ec 100644
--- a/module_usb_audio/devicedefines.h
+++ b/module_usb_audio/devicedefines.h
@@ -242,9 +242,11 @@
 #define PID_AUDIO_2               (0x0002)        
 #endif
 
-/* Device release number in BCD: 0xJJMNi */
+/* Device release number in BCD: 0xJJMN */
 #ifndef BCD_DEVICE
-#define BCD_DEVICE               ((XMOS_USB_AUD_APP_MAJOR_VERSION << 8) | ((XMOS_USB_AUD_APP_MINOR_VERSION&0xF) << 4) | (XMOS_USB_AUD_APP_POINT_VERSION&0xF))
+#define BCD_DEVICE               (0x0630)
+
+//((XMOS_USB_AUD_APP_MAJOR_VERSION << 8) | ((XMOS_USB_AUD_APP_MINOR_VERSION&0xF) << 4) | (XMOS_USB_AUD_APP_POINT_VERSION&0xF))
 #endif
 
 /* Addition interfaces based on defines */
diff --git a/xpd.xml b/xpd.xml
index b1394ee6..bf987c6d 100644
--- a/xpd.xml
+++ b/xpd.xml
@@ -4,6 +4,11 @@
     <location>git://git/apps/sc_usb_audio</location>
     <name>USB Audio Shared Components</name>
     <vendor>XMOS</vendor>
+    <version_defines>
+        <version_define name = "BCD_DEVICE_J" format = "%MAJOR%"></version_define>
+        <version_define name = "BCD_DEVICE_M" format = "%MINOR%"></version_define>
+        <version_define name = "BDC_DEVICE_N" format = "%POINT%"></version_define>
+    </version_defines>
     <xpd_version>1.0</xpd_version>
     <git_export>False</git_export>
 </xpd>