diff --git a/src/game/engine/src/modules/management/turn_processor.gd b/src/game/engine/src/modules/management/turn_processor.gd
index 3d0017b7..b667dcf3 100644
--- a/src/game/engine/src/modules/management/turn_processor.gd
+++ b/src/game/engine/src/modules/management/turn_processor.gd
@@ -417,6 +417,10 @@ func _process_culture(player: RefCounted, game_map: RefCounted) -> void:
 		if not city_ref is CityScript:
 			continue
 		var c: CityScript = city_ref as CityScript
+		var tile_json: String = BuildableHelperScript.build_tile_yields_json(c, game_map)
+		var can_expand: bool = c.process_culture(tile_json)
+		if not can_expand:
+			continue
 		# Build candidates JSON for Rust border expansion
 		var candidates_json: String = _build_border_candidates_json(c, game_map, player)
 		var claimed: Vector2i = c.expand_borders(candidates_json)