diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index 9579a29bb3..7e57c4a129 100755
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -4140,7 +4140,7 @@
                     "minimum_value": "0",
                     "minimum_value_warning": "0",
                     "maximum_value": "89",
-                    "default_value": 50,
+                    "default_value": 40,
                     "settable_per_mesh": true,
                     "enabled": "mold_enabled"
                 },