diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index 8123c34586..1b93bd9107 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -7110,6 +7110,20 @@
                     "settable_per_mesh": false,
                     "settable_per_extruder": true
                 },
+                "prime_tower_min_shell_thickness":
+                {
+                    "label": "Prime Tower Minimum Shell Thickness",
+                    "description": "The minimum thickness of the prime tower shell. You may increase it to make the prime tower stronger.",
+                    "unit": "mm",
+                    "type": "float",
+                    "default_value": 0.4,
+                    "minimum_value": "max(extruderValues('prime_tower_line_width'))",
+                    "maximum_value_warning": "10.0",
+                    "enabled": "prime_tower_enable and resolveOrValue('prime_tower_mode') == 'interleaved'",
+                    "resolve": "max(extruderValues('prime_tower_line_width'))",
+                    "settable_per_mesh": false,
+                    "settable_per_extruder": false
+                },
                 "prime_tower_position_x":
                 {
                     "label": "Prime Tower X Position",
diff --git a/resources/setting_visibility/expert.cfg b/resources/setting_visibility/expert.cfg
index 3742fc9f60..888b0a797f 100644
--- a/resources/setting_visibility/expert.cfg
+++ b/resources/setting_visibility/expert.cfg
@@ -372,6 +372,7 @@ prime_tower_base_height
 prime_tower_base_curve_magnitude
 prime_tower_raft_base_line_spacing
 prime_tower_max_bridging_distance
+prime_tower_min_shell_thickness
 ooze_shield_enabled
 ooze_shield_angle
 ooze_shield_dist