diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index 4d6e78d03e..e35dcd9a72 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -3652,7 +3652,7 @@
                     "description": "The minimum volume for each layer of the prime tower in order to purge enough material.",
                     "unit": "mm³",
                     "type": "float",
-                    "default_value": 4.544,
+                    "default_value": 10,
                     "minimum_value": "0",
                     "maximum_value_warning": "resolveOrValue('prime_tower_size') * resolveOrValue('prime_tower_size') * resolveOrValue('layer_height')",
                     "enabled": "resolveOrValue('prime_tower_enable')",
@@ -3667,7 +3667,7 @@
                             "description": "The thickness of the hollow prime tower. A thickness larger than half the Prime Tower Minimum Volume will result in a dense prime tower.",
                             "unit": "mm",
                             "type": "float",
-                            "default_value": 0.8,
+                            "default_value": 2,
                             "value": "max(2 * min(extruderValues('prime_tower_line_width')), 0.5 * (resolveOrValue('prime_tower_size') - math.sqrt(resolveOrValue('prime_tower_size') * resolveOrValue('prime_tower_size') - max(extruderValues('prime_tower_min_volume')) / resolveOrValue('layer_height'))))",
                             "resolve": "max(extruderValues('prime_tower_wall_thickness'))",
                             "minimum_value": "0.001",