diff --git a/right/src/usb_descriptors/usb_descriptor_configuration.h b/right/src/usb_descriptors/usb_descriptor_configuration.h
index 6595f22..d5fa96a 100644
--- a/right/src/usb_descriptors/usb_descriptor_configuration.h
+++ b/right/src/usb_descriptors/usb_descriptor_configuration.h
@@ -12,7 +12,9 @@
 // Macros:
 
     #define USB_COMPOSITE_CONFIGURATION_INDEX 1
-    #define USB_CONFIGURATION_DESCRIPTOR_TOTAL_LENGTH 141
+    #define USB_CONFIGURATION_DESCRIPTOR_TOTAL_LENGTH \
+    (5 * USB_DESCRIPTOR_LENGTH_INTERFACE + 5 * USB_DESCRIPTOR_LENGTH_HID + \
+    6 * USB_DESCRIPTOR_LENGTH_ENDPOINT + USB_DESCRIPTOR_LENGTH_CONFIGURE)
 
 // Variables: