diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index bf65177393..232f407f9f 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -2250,7 +2250,7 @@
                     "description": "How far the material needs to be retracted before it stops oozing.",
                     "type": "float",
                     "unit": "mm",
-                    "default_value": 4,
+                    "default_value": -4,
                     "enabled": false,
                     "minimum_value_warning": "-retraction_amount",
                     "maximum_value_warning": "0",
@@ -2276,7 +2276,7 @@
                     "description": "How far the filament can be stretched before it breaks, while heated.",
                     "type": "float",
                     "unit": "mm",
-                    "default_value": 16,
+                    "default_value": -16,
                     "enabled": false,
                     "minimum_value_warning": "-retraction_amount * 4",
                     "maximum_value_warning": "0",
@@ -2302,7 +2302,7 @@
                     "description": "How far to retract the filament in order to break it cleanly.",
                     "type": "float",
                     "unit": "mm",
-                    "default_value": 50,
+                    "default_value": -50,
                     "enabled": false,
                     "minimum_value_warning": "-100",
                     "maximum_value_warning": "0",