diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index c74bd79211..0e871ffad5 100755
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -5003,6 +5003,17 @@
                     "enabled": "magic_spiralize",
                     "settable_per_mesh": false,
                     "settable_per_extruder": false
+                },
+                "relative_extrusion":
+                {
+                    "label": "Relative Extrusion",
+                    "description": "Use relative extrusion rather than absolute extrusion. Using relative E-steps makes for easier post-processing of the Gcode. However, it's not supported by all printers and it may produce very slight deviations in the amount of deposited material compared to absolute E-steps. Irrespective of this setting, the extrusion mode will always be set to absolute before any Gcode script is output.",
+                    "type": "bool",
+                    "default_value": false,
+                    "value": "machine_gcode_flavor==\"RepRap (RepRap)\"",
+                    "enabled": true,
+                    "settable_per_mesh": false,
+                    "settable_per_extruder": false
                 }
             }
         },