diff --git a/src/main/java/ru/bclib/api/BiomeAPI.java b/src/main/java/ru/bclib/api/BiomeAPI.java
index 4b3bf80c..55b3386b 100644
--- a/src/main/java/ru/bclib/api/BiomeAPI.java
+++ b/src/main/java/ru/bclib/api/BiomeAPI.java
@@ -455,9 +455,12 @@ public class BiomeAPI {
 	 * @param structure {@link ConfiguredStructureFeature} to add.
 	 */
 	public static void addBiomeStructure(Biome biome, ConfiguredStructureFeature structure) {
-		BuiltinRegistries.CONFIGURED_STRUCTURE_FEATURE
-			.getResourceKey(structure)
-			.ifPresent(key -> BiomeModifications.addStructure(ctx -> ctx.getBiomeKey().equals(BuiltinRegistries.BIOME.getKey(biome)), key));
+		BuiltinRegistries.CONFIGURED_STRUCTURE_FEATURE.getResourceKey(structure)
+													  .ifPresent((key)->
+															BiomeModifications.addStructure(
+																(ctx)-> ctx.getBiomeKey().location().equals(BuiltinRegistries.BIOME.getKey(biome)),
+																key
+														));
 	}
 
 	/**
diff --git a/src/main/java/ru/bclib/world/biomes/BCLBiomeDef.java b/src/main/java/ru/bclib/world/biomes/BCLBiomeDef.java
index 16d7313b..2df240f3 100644
--- a/src/main/java/ru/bclib/world/biomes/BCLBiomeDef.java
+++ b/src/main/java/ru/bclib/world/biomes/BCLBiomeDef.java
@@ -27,6 +27,7 @@ import net.minecraft.world.level.levelgen.carver.CarverConfiguration;
 import net.minecraft.world.level.levelgen.carver.ConfiguredWorldCarver;
 import net.minecraft.world.level.levelgen.feature.ConfiguredStructureFeature;
 import net.minecraft.world.level.levelgen.placement.PlacedFeature;
+import ru.bclib.api.BiomeAPI;
 import ru.bclib.config.IdConfig;
 import ru.bclib.config.PathConfig;
 import ru.bclib.util.ColorUtil;
@@ -147,12 +148,12 @@ public class BCLBiomeDef {
 	}
 	
 	public BCLBiomeDef setSurface(Block block) {
-		
+		//TODO: 1.18 add back surface Code
 		return this;
 	}
 	
 	public BCLBiomeDef setSurface(Block block1, Block block2) {
-		
+		//TODO: 1.18 add back surface Code
 		return this;
 	}
 	
@@ -349,7 +350,7 @@ public class BCLBiomeDef {
 		if (particleConfig != null) effects.ambientParticle(particleConfig);
 		effects.backgroundMusic(music != null ? new Music(music, 600, 2400, true) : Musics.END);
 		
-		return new Biome.BiomeBuilder()
+		Biome b = new Biome.BiomeBuilder()
 			.precipitation(precipitation)
 			.biomeCategory(category)
 			//.depth(depth)
@@ -360,6 +361,9 @@ public class BCLBiomeDef {
 			.mobSpawnSettings(spawnSettings.build())
 			.generationSettings(generationSettings.build())
 			.build();
+		
+		structures.forEach((structure) -> BiomeAPI.addBiomeStructure(b, structure));
+		return b;
 	}
 	
 	public float getTerrainHeight() {