diff --git a/src/game/engine/scenes/tests/auto_play.gd b/src/game/engine/scenes/tests/auto_play.gd
index bf7df943..471ec110 100644
--- a/src/game/engine/scenes/tests/auto_play.gd
+++ b/src/game/engine/scenes/tests/auto_play.gd
@@ -441,14 +441,15 @@ func _find_node_by_name(node: Node, target_name: String) -> Node:
 
 func _fix_start_positions(game_map: RefCounted, gs: Node) -> void:
 	## Find land tiles and assign start positions when mapgen fails to set them
+	var water_biomes: Array = ["ocean", "coast", "deep_ocean", "lake", "inland_sea", "reef"]
 	var land_tiles: Array[Vector2i] = []
 	for pos: Vector2i in game_map.tiles:
 		var tile: Resource = game_map.tiles[pos]
 		if tile == null:
 			continue
-		var flags: Array = tile.get_terrain_flags()
-		if "water" not in flags and "impassable" not in flags:
-			land_tiles.append(pos)
+		if tile.biome_id in water_biomes:
+			continue
+		land_tiles.append(pos)
 
 	if land_tiles.is_empty():
 		print("  WARNING: no land tiles found!")