diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index 7662ed4a6d..00e3e73582 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -1577,6 +1577,29 @@
                     "settable_per_mesh": false,
                     "settable_per_extruder": false
                 },
+                "speed_equalize_flow_enabled":
+                {
+                    "label": "Equalize Filament Flow",
+                    "description": "Print thinner than normal lines faster so that the amount of material extruded per second remains the same. Thin pieces in your model might require lines printed with smaller line width than provided in the settings. This setting controls the speed changes for such lines.",
+                    "type": "bool",
+                    "default_value": true,
+                    "settable_per_mesh": false,
+                    "settable_per_extruder": true
+                },
+                "speed_equalize_flow_max":
+                {
+                    "label": "Maximum Speed for Flow Equalization",
+                    "description": "Maximum print speed when adjusting the print speed in order to equalize flow.",
+                    "type": "float",
+                    "unit": "mm/s",
+                    "enabled": "speed_equalize_flow_enabled",
+                    "default_value": 150,
+                    "minimum_value": "0.1",
+                    "maximum_value": "299792458000",
+                    "maximum_value_warning": "150",
+                    "settable_per_mesh": false,
+                    "settable_per_extruder": true
+                },
 
 
                 "acceleration_enabled": {