diff --git a/game/game.py b/game/game.py
index d22dca3f..270542cf 100644
--- a/game/game.py
+++ b/game/game.py
@@ -208,7 +208,7 @@ class Game:
         naming.namegen = self.name_generator
         LuaPluginManager.load_settings(self.settings)
         ObjectiveDistanceCache.set_theater(self.theater)
-        self.compute_conflicts_position()
+        self.compute_unculled_zones()
         if not game_still_initializing:
             self.compute_threat_zones()
 
@@ -347,8 +347,6 @@ class Game:
             return self.process_win_loss(turn_state)
 
         # Plan flights & combat for next turn
-        with logged_duration("Computing conflict positions"):
-            self.compute_conflicts_position()
         with logged_duration("Threat zone computation"):
             self.compute_threat_zones()
 
@@ -366,6 +364,10 @@ class Game:
                 gplanner.plan_groundwar()
                 self.ground_planners[cp.id] = gplanner
 
+        # Update cull zones
+        with logged_duration("Computing culling positions"):
+            self.compute_unculled_zones()
+
     def message(self, title: str, text: str = "") -> None:
         self.informations.append(Information(title, text, turn=self.turn))
 
@@ -406,10 +408,9 @@ class Game:
     def navmesh_for(self, player: bool) -> NavMesh:
         return self.coalition_for(player).nav_mesh
 
-    def compute_conflicts_position(self) -> None:
+    def compute_unculled_zones(self) -> None:
         """
-        Compute the current conflict center position(s), mainly used for culling calculation
-        :return: List of points of interests
+        Compute the current conflict position(s) used for culling calculation
         """
         from game.missiongenerator.frontlineconflictdescription import (
             FrontLineConflictDescription,
diff --git a/game/settings/boundedintoption.py b/game/settings/boundedintoption.py
index 0a5b556e..a716ac0b 100644
--- a/game/settings/boundedintoption.py
+++ b/game/settings/boundedintoption.py
@@ -19,6 +19,7 @@ def bounded_int_option(
     max: int,
     detail: Optional[str] = None,
     tooltip: Optional[str] = None,
+    causes_expensive_game_update: bool = False,
     **kwargs: Any,
 ) -> int:
     return field(
@@ -29,7 +30,7 @@ def bounded_int_option(
                 text,
                 detail,
                 tooltip,
-                causes_expensive_game_update=False,
+                causes_expensive_game_update,
                 min=min,
                 max=max,
             )
diff --git a/game/settings/settings.py b/game/settings/settings.py
index 0764daa5..f33e665e 100644
--- a/game/settings/settings.py
+++ b/game/settings/settings.py
@@ -448,6 +448,7 @@ class Settings:
         default=100,
         min=10,
         max=10000,
+        causes_expensive_game_update=True,
     )
     perf_do_not_cull_carrier: bool = boolean_option(
         "Do not cull carrier's surroundings",
diff --git a/qt_ui/models.py b/qt_ui/models.py
index 40c1d31c..ca9ae581 100644
--- a/qt_ui/models.py
+++ b/qt_ui/models.py
@@ -222,6 +222,7 @@ class AtoModel(QAbstractListModel):
     PackageRole = Qt.UserRole
 
     client_slots_changed = Signal()
+    packages_changed = Signal()
 
     def __init__(self, game_model: GameModel, ato: AirTaskingOrder) -> None:
         super().__init__()
@@ -254,6 +255,7 @@ class AtoModel(QAbstractListModel):
         self.endInsertRows()
         # noinspection PyUnresolvedReferences
         self.client_slots_changed.emit()
+        self.on_packages_changed()
 
     def delete_package_at_index(self, index: QModelIndex) -> None:
         """Removes the package at the given index from the ATO."""
@@ -272,6 +274,12 @@ class AtoModel(QAbstractListModel):
         self.endRemoveRows()
         # noinspection PyUnresolvedReferences
         self.client_slots_changed.emit()
+        self.on_packages_changed()
+
+    def on_packages_changed(self) -> None:
+        if self.game is not None:
+            self.game.compute_unculled_zones()
+            self.packages_changed.emit()
 
     def package_at_index(self, index: QModelIndex) -> Package:
         """Returns the package at the given index."""
diff --git a/qt_ui/widgets/map/model/mapmodel.py b/qt_ui/widgets/map/model/mapmodel.py
index c046a204..7ff37fe4 100644
--- a/qt_ui/widgets/map/model/mapmodel.py
+++ b/qt_ui/widgets/map/model/mapmodel.py
@@ -106,6 +106,12 @@ class MapModel(QObject):
         GameUpdateSignal.get_instance().flight_selection_changed.connect(
             self.set_flight_selection
         )
+        self.game_model.ato_model_for(True).packages_changed.connect(
+            self.on_package_change
+        ),
+        self.game_model.ato_model_for(False).packages_changed.connect(
+            self.on_package_change
+        ),
         sim_controller.sim_update.connect(self.on_sim_update)
         self.reset()
 
@@ -374,6 +380,9 @@ class MapModel(QObject):
     def mapZones(self) -> NavMeshJs:
         return self._map_zones
 
+    def on_package_change(self) -> None:
+        self.reset_unculled_zones()
+
     def reset_unculled_zones(self) -> None:
         self._unculled_zones = list(UnculledZone.each_from_game(self.game))
         self.unculledZonesChanged.emit()
diff --git a/qt_ui/windows/settings/QSettingsWindow.py b/qt_ui/windows/settings/QSettingsWindow.py
index 4717280e..f013529d 100644
--- a/qt_ui/windows/settings/QSettingsWindow.py
+++ b/qt_ui/windows/settings/QSettingsWindow.py
@@ -169,6 +169,8 @@ class AutoSettingsLayout(QGridLayout):
     ) -> None:
         def on_changed(value: int) -> None:
             self.settings.__dict__[name] = value
+            if description.causes_expensive_game_update:
+                self.write_full_settings()
 
         spinner = QSpinBox()
         spinner.setMinimum(description.min)
@@ -354,7 +356,7 @@ class QSettingsWindow(QDialog):
             self.cheat_options.show_base_capture_cheat
         )
 
-        self.game.compute_conflicts_position()
+        self.game.compute_unculled_zones()
         GameUpdateSignal.get_instance().updateGame(self.game)
 
     def onSelectionChanged(self):