diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index 0c47f3444a..0616b20b65 100755
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -3957,7 +3957,7 @@
                             "value": "round(max(2 * min(extruderValues('prime_tower_line_width')), 0.5 * (resolveOrValue('prime_tower_size') - math.sqrt(max(0, resolveOrValue('prime_tower_size') ** 2 - max(extruderValues('prime_tower_min_volume')) / resolveOrValue('layer_height'))))), 3)",
                             "resolve": "max(extruderValues('prime_tower_wall_thickness'))",
                             "minimum_value": "0.001",
-                            "minimum_value_warning": "2 * min(extruderValues('prime_tower_line_width'))",
+                            "minimum_value_warning": "2 * min(extruderValues('prime_tower_line_width')) - 0.0001",
                             "maximum_value_warning": "resolveOrValue('prime_tower_size') / 2",
                             "enabled": "resolveOrValue('prime_tower_enable')",
                             "settable_per_mesh": false,
diff --git a/resources/variants/ultimaker3_aa0.8.inst.cfg b/resources/variants/ultimaker3_aa0.8.inst.cfg
index 98859a64a1..e7e1654c6e 100644
--- a/resources/variants/ultimaker3_aa0.8.inst.cfg
+++ b/resources/variants/ultimaker3_aa0.8.inst.cfg
@@ -31,6 +31,7 @@ machine_min_cool_heat_time_window = 15
 machine_nozzle_cool_down_speed = 0.85
 machine_nozzle_heat_up_speed = 1.5
 machine_nozzle_size = 0.8
+machine_nozzle_tip_outer_diameter = 2.0
 material_final_print_temperature = =material_print_temperature - 10
 material_initial_print_temperature = =material_print_temperature - 5
 material_standby_temperature = 100
diff --git a/resources/variants/ultimaker3_bb0.8.inst.cfg b/resources/variants/ultimaker3_bb0.8.inst.cfg
index 104b4d09d1..d0c2c9c661 100644
--- a/resources/variants/ultimaker3_bb0.8.inst.cfg
+++ b/resources/variants/ultimaker3_bb0.8.inst.cfg
@@ -25,6 +25,7 @@ layer_height = 0.2
 machine_min_cool_heat_time_window = 15
 machine_nozzle_heat_up_speed = 1.5
 machine_nozzle_size = 0.8
+machine_nozzle_tip_outer_diameter = 2.0
 material_print_temperature = =default_material_print_temperature + 10
 material_standby_temperature = 100
 multiple_mesh_overlap = 0
diff --git a/resources/variants/ultimaker3_extended_aa0.8.inst.cfg b/resources/variants/ultimaker3_extended_aa0.8.inst.cfg
index 4ce6689f67..b89ce4406b 100644
--- a/resources/variants/ultimaker3_extended_aa0.8.inst.cfg
+++ b/resources/variants/ultimaker3_extended_aa0.8.inst.cfg
@@ -31,6 +31,7 @@ machine_min_cool_heat_time_window = 15
 machine_nozzle_cool_down_speed = 0.85
 machine_nozzle_heat_up_speed = 1.5
 machine_nozzle_size = 0.8
+machine_nozzle_tip_outer_diameter = 2.0
 material_final_print_temperature = =material_print_temperature - 10
 material_initial_print_temperature = =material_print_temperature - 5
 material_standby_temperature = 100
diff --git a/resources/variants/ultimaker3_extended_bb0.8.inst.cfg b/resources/variants/ultimaker3_extended_bb0.8.inst.cfg
index e8096c2cd6..e4fb152ee0 100644
--- a/resources/variants/ultimaker3_extended_bb0.8.inst.cfg
+++ b/resources/variants/ultimaker3_extended_bb0.8.inst.cfg
@@ -25,6 +25,7 @@ layer_height = 0.2
 machine_min_cool_heat_time_window = 15
 machine_nozzle_heat_up_speed = 1.5
 machine_nozzle_size = 0.8
+machine_nozzle_tip_outer_diameter = 2.0
 material_print_temperature = =default_material_print_temperature + 10
 material_standby_temperature = 100
 multiple_mesh_overlap = 0