diff --git a/resources/definitions/ultimaker_original_plus.def.json b/resources/definitions/ultimaker_original_plus.def.json
index 5ad7ae66e8..bdb8a3d788 100644
--- a/resources/definitions/ultimaker_original_plus.def.json
+++ b/resources/definitions/ultimaker_original_plus.def.json
@@ -16,7 +16,8 @@
         {
             "0": "ultimaker_original_plus_extruder_0"
         },
-        "firmware_file": "MarlinUltimaker-UMOP-{baudrate}.hex"
+        "firmware_file": "MarlinUltimaker-UMOP-{baudrate}.hex",
+        "firmware_hbk_file": "MarlinUltimaker-UMOP-{baudrate}.hex"
     },
 
     "overrides": {