diff --git a/right/src/usb_descriptors/usb_descriptor_generic_hid_report.h b/right/src/usb_descriptors/usb_descriptor_generic_hid_report.h
index b51eca7..71374a0 100644
--- a/right/src/usb_descriptors/usb_descriptor_generic_hid_report.h
+++ b/right/src/usb_descriptors/usb_descriptor_generic_hid_report.h
@@ -12,6 +12,6 @@
 
 // Variables:
 
-    uint8_t UsbGenericHidReportDescriptor[USB_GENERIC_HID_REPORT_DESCRIPTOR_LENGTH];
+    extern uint8_t UsbGenericHidReportDescriptor[USB_GENERIC_HID_REPORT_DESCRIPTOR_LENGTH];
 
 #endif