diff --git a/Makefile.include b/Makefile.include
index a6faea4790..884e722cd2 100644
--- a/Makefile.include
+++ b/Makefile.include
@@ -687,6 +687,12 @@ usb_id_check:
 		$(COLOR_ECHO) "$(COLOR_RED)Private testing pid.codes USB VID/PID used!, do not use it outside of test environments!$(COLOR_RESET)" 1>&2 ; \
 		$(COLOR_ECHO) "$(COLOR_RED)MUST NOT be used on any device redistributed, sold or manufactured, VID/PID is not unique!$(COLOR_RESET)" 1>&2 ; \
 	fi
+	@if [ "$(USB_VID) $(subst D,d,$(USB_PID))" = "1209 7d00" ]; then \
+		$(COLOR_ECHO) "$(COLOR_RED)RIOT standard peripherals code (1209/7D00) cannot be set explicitly.$(COLOR_RESET)" 1>&2 ; \
+		$(COLOR_ECHO) "$(COLOR_RED)Unset USB_VID / USB_PID for the code to be picked automatically, or set$(COLOR_RESET)" 1>&2 ; \
+		$(COLOR_ECHO) "$(COLOR_RED)them to \$${USB_VID_TESTING} / \$${USB_PID_TESTING} during development.$(COLOR_RESET)" 1>&2 ; \
+		exit 1; \
+	fi
 .PHONY: usb_id_check
 all: | usb_id_check