diff --git a/right/usb_device_descriptor.h b/right/usb_device_descriptor.h
index 46f425f..4bf74f8 100644
--- a/right/usb_device_descriptor.h
+++ b/right/usb_device_descriptor.h
@@ -24,7 +24,9 @@
     #define USB_DEVICE_CONFIGURATION_COUNT (1U)
     #define USB_REPORT_DESCRIPTOR_COUNT_PER_HID_DEVICE (1U)
     #define USB_DEVICE_MAX_POWER (50U) // Expressed in 2mA units
-    #define USB_COMPOSITE_INTERFACE_COUNT (USB_KEYBOARD_INTERFACE_COUNT + USB_MOUSE_INTERFACE_COUNT + USB_GENERIC_HID_INTERFACE_COUNT)
+    #define USB_COMPOSITE_INTERFACE_COUNT (USB_KEYBOARD_INTERFACE_COUNT + \
+                                           USB_MOUSE_INTERFACE_COUNT + \
+                                           USB_GENERIC_HID_INTERFACE_COUNT)
 
     #define USB_LANGUAGE_ID_UNITED_STATES (0x0409U)
     #define USB_HID_COUNTRY_CODE_NOT_SUPPORTED (0x00U)