--- a/net/minecraft/world/level/levelgen/placement/PlacementContext.java
+++ b/net/minecraft/world/level/levelgen/placement/PlacementContext.java
@@ -18,7 +18,7 @@
     private final Optional<PlacedFeature> topFeature;
 
     public PlacementContext(WorldGenLevel world, ChunkGenerator generator, Optional<PlacedFeature> placedFeature) {
-        super(generator, world);
+        super(generator, world, world.getLevel()); // Paper - Flat bedrock generator settings
         this.level = world;
         this.generator = generator;
         this.topFeature = placedFeature;
