diff --git a/resources/definitions/dagoma_discoeasy200.def.json b/resources/definitions/dagoma_discoeasy200.def.json
index 49248ff3d1..a16260a649 100644
--- a/resources/definitions/dagoma_discoeasy200.def.json
+++ b/resources/definitions/dagoma_discoeasy200.def.json
@@ -22,6 +22,9 @@
         "machine_extruder_count": {
             "default_value": 2
         },
+        "machine_extruders_share_heater": {
+            "default_value": true
+        },
         "machine_width": {
             "default_value": 205
         },
diff --git a/resources/definitions/dagoma_discoultimate.def.json b/resources/definitions/dagoma_discoultimate.def.json
index 7b127819dc..05ed1a8db9 100644
--- a/resources/definitions/dagoma_discoultimate.def.json
+++ b/resources/definitions/dagoma_discoultimate.def.json
@@ -22,6 +22,9 @@
         "machine_extruder_count": {
             "default_value": 2
         },
+        "machine_extruders_share_heater": {
+            "default_value": true
+        },
         "machine_width": {
             "default_value": 205
         },