diff --git a/boards/mro/ctrl-zero-h7/firmware.prototype b/boards/mro/ctrl-zero-h7/firmware.prototype
index 4afdcf7ef2..41d94b396b 100644
--- a/boards/mro/ctrl-zero-h7/firmware.prototype
+++ b/boards/mro/ctrl-zero-h7/firmware.prototype
@@ -1,5 +1,5 @@
 {
-    "board_id": 1024,
+    "board_id": 1023,
     "magic": "mRo-ctrl-zero-h7",
     "description": "Firmware for the mRo-ctrl-zero-h7 board",
     "image": "",