diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index b284f4b4ddc..d0d02363de7 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -8125,6 +8125,14 @@
                     "resolve": "max(extruderValues('raft_base_wall_count'))",
                     "settable_per_mesh": false,
                     "settable_per_extruder": false
+                },
+                "group_outer_walls":
+                {
+                    "label": "Group Outer Walls",
+                    "description": "Outer walls of different islands in the same layer are printed in sequence. When enabled the amount of flow changes is limited because walls are printed one type at a time, when disabled the number of travels between islands is reduced because walls in the same islands are grouped.",
+                    "type": "bool",
+                    "default_value": true,
+                    "settable_per_mesh": true
                 }
             }
         },
diff --git a/resources/setting_visibility/expert.cfg b/resources/setting_visibility/expert.cfg
index 5388681e8fa..abb4b81dba9 100644
--- a/resources/setting_visibility/expert.cfg
+++ b/resources/setting_visibility/expert.cfg
@@ -32,6 +32,7 @@ wall_0_wipe_dist
 wall_0_inset
 wall_transition_filter_distance
 optimize_wall_printing_order
+group_outer_walls
 inset_direction
 alternate_extra_perimeter
 fill_outline_gaps