diff --git a/resources/definitions/ultimaker_factor4.def.json b/resources/definitions/ultimaker_factor4.def.json
index 5501148967..684729f710 100644
--- a/resources/definitions/ultimaker_factor4.def.json
+++ b/resources/definitions/ultimaker_factor4.def.json
@@ -130,7 +130,7 @@
         "machine_min_cool_heat_time_window": { "value": "15" },
         "machine_name": { "default_value": "Ultimaker Factor 4" },
         "machine_nozzle_cool_down_speed": { "value": "0.3 + 0.0025 * material_print_temperature" },
-        "machine_nozzle_heat_up_speed": { "value": "2 - 0.0025 * material_print_temperature" },
+        "machine_nozzle_heat_up_speed": { "value": "2.1 - 0.0025 * material_print_temperature" },
         "machine_start_gcode": { "default_value": "" },
         "machine_width": { "default_value": 330 },
         "material_bed_temperature": { "maximum_value": "120" },