diff --git a/resources/definitions/two_trees_base.def.json b/resources/definitions/two_trees_base.def.json
index f2cb2c996d..abd6767c46 100644
--- a/resources/definitions/two_trees_base.def.json
+++ b/resources/definitions/two_trees_base.def.json
@@ -85,7 +85,7 @@
         "retraction_min_travel": { "value": 1.5 },
 
 
-		"cool_fan_full_layer": { "value": "2" },
+        "cool_fan_full_layer": { "value": "2" },
         "cool_fan_enabled": { "value": true },
         "cool_min_layer_time": { "value": 10 },