diff --git a/game/ato/__init__.py b/game/ato/__init__.py
index 7fac43a0..78739d68 100644
--- a/game/ato/__init__.py
+++ b/game/ato/__init__.py
@@ -1,4 +1,4 @@
-from .flight import Flight
 from .flighttype import FlightType
+from .flight import Flight
 from .flightwaypoint import FlightWaypoint
 from .package import Package
diff --git a/game/dcs/aircrafttype.py b/game/dcs/aircrafttype.py
index d9434cad..d9250cac 100644
--- a/game/dcs/aircrafttype.py
+++ b/game/dcs/aircrafttype.py
@@ -15,6 +15,7 @@ from dcs.unitpropertydescription import UnitPropertyDescription
 from dcs.unittype import FlyingType
 from dcs.weapons_data import weapon_ids
 
+from game.ato import FlightType
 from game.data.units import UnitClass
 from game.dcs.lasercodeconfig import LaserCodeConfig
 from game.dcs.unittype import UnitType
@@ -54,7 +55,6 @@ from game.utils import (
 )
 
 if TYPE_CHECKING:
-    from game.ato import FlightType
     from game.missiongenerator.aircraft.flightdata import FlightData
     from game.missiongenerator.missiondata import MissionData
     from game.radio.radios import Radio, RadioFrequency, RadioRegistry
@@ -217,6 +217,13 @@ class AircraftType(UnitType[Type[FlyingType]]):
         list
     )
 
+    def __post_init__(self) -> None:
+        enrich = {}
+        for t in self.task_priorities:
+            if t == FlightType.SEAD:
+                enrich[FlightType.SEAD_SWEEP] = self.task_priorities[t]
+        self.task_priorities.update(enrich)
+
     @classmethod
     def register(cls, unit_type: AircraftType) -> None:
         cls._by_name[unit_type.variant_id] = unit_type
diff --git a/game/migrator.py b/game/migrator.py
index 78e98fbf..c4fe7998 100644
--- a/game/migrator.py
+++ b/game/migrator.py
@@ -152,8 +152,6 @@ class Migrator:
                 if isinstance(s.country, str):
                     c = country_dict.get(s.country, s.country)
                     s.country = countries_by_name[c]()
-                if FlightType.SEAD in s.auto_assignable_mission_types:
-                    s.auto_assignable_mission_types.add(FlightType.SEAD_SWEEP)
 
                 # code below is used to fix corruptions wrt overpopulation
                 parking_type = ParkingType().from_squadron(s)