diff --git a/resources/definitions/hellbot_magna_dual.def.json b/resources/definitions/hellbot_magna_dual.def.json
index 2870c2e800..5ee36e0749 100644
--- a/resources/definitions/hellbot_magna_dual.def.json
+++ b/resources/definitions/hellbot_magna_dual.def.json
@@ -28,6 +28,9 @@
         },
         "machine_height": {
             "default_value": 260
+        },
+        "machine_extruder_count": {
+            "default_value": 2
         }
     }
 }