diff --git a/src/main/java/ru/bclib/BCLib.java b/src/main/java/ru/bclib/BCLib.java
index bc71a685..ab732c72 100644
--- a/src/main/java/ru/bclib/BCLib.java
+++ b/src/main/java/ru/bclib/BCLib.java
@@ -6,6 +6,7 @@ import net.fabricmc.loader.api.FabricLoader;
 import net.minecraft.resources.ResourceLocation;
 import ru.bclib.api.TagAPI;
 import ru.bclib.api.WorldDataAPI;
+import ru.bclib.api.biomes.BiomeAPI;
 import ru.bclib.api.dataexchange.DataExchangeAPI;
 import ru.bclib.api.dataexchange.handler.autosync.Chunker;
 import ru.bclib.api.dataexchange.handler.autosync.HelloClient;
@@ -47,6 +48,8 @@ public class BCLib implements ModInitializer {
 			Chunker.DESCRIPTOR
 		));
 		
+		BiomeAPI.registerStructureEvents();
+		
 		BCLibPatch.register();
 		Configs.save();
 	}
diff --git a/src/main/java/ru/bclib/api/biomes/BiomeAPI.java b/src/main/java/ru/bclib/api/biomes/BiomeAPI.java
index 6d357af7..4c43d712 100644
--- a/src/main/java/ru/bclib/api/biomes/BiomeAPI.java
+++ b/src/main/java/ru/bclib/api/biomes/BiomeAPI.java
@@ -9,6 +9,8 @@ import com.google.common.collect.Multimap;
 import com.google.common.collect.Sets;
 import net.fabricmc.api.EnvType;
 import net.fabricmc.api.Environment;
+import net.fabricmc.fabric.api.event.registry.DynamicRegistrySetupCallback;
+import net.fabricmc.fabric.api.event.registry.RegistryEntryAddedCallback;
 import net.fabricmc.fabric.impl.biome.NetherBiomeData;
 import net.fabricmc.fabric.impl.biome.TheEndBiomeData;
 import net.minecraft.client.Minecraft;
@@ -64,6 +66,7 @@ import ru.bclib.world.structures.BCLStructureFeature;
 
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
@@ -631,7 +634,6 @@ public class BiomeAPI {
 		}
 		changeStructureStarts(structureMap -> {
 			Multimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>> configuredMap = structureMap.computeIfAbsent(structure.feature, k -> HashMultimap.create());
-			
 			configuredMap.put(structure, biomeKey);
 		});
 	}
@@ -780,17 +782,45 @@ public class BiomeAPI {
 		return Optional.empty();
 	}
 	
+	private final static List<Consumer<Map<StructureFeature<?>, Multimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>>>> structureStarts = new LinkedList<>();
+	
+	public static void registerStructureEvents(){
+		DynamicRegistrySetupCallback.EVENT.register(registryManager -> {
+			Optional<? extends Registry<NoiseGeneratorSettings>> v = registryManager.registry(Registry.NOISE_GENERATOR_SETTINGS_REGISTRY);
+			if (v.isPresent()) {
+				RegistryEntryAddedCallback
+					.event(v.get())
+					.register((rawId, id, object) -> {
+						BCLib.LOGGER.info(" #### " + rawId + ", " + object + ", " + id);
+						StructureSettingsAccessor a = (StructureSettingsAccessor)object.structureSettings();
+						structureStarts.forEach(modifier -> changeStructureStarts(a, modifier));
+					});
+			}
+		});
+	}
+	
+	public static void clearStructureStarts(){
+		structureStarts.clear();
+	}
+	
 	private static void changeStructureStarts(Consumer<Map<StructureFeature<?>, Multimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>>> modifier) {
+		structureStarts.add(modifier);
 		Registry<NoiseGeneratorSettings> chunkGenSettingsRegistry = BuiltinRegistries.NOISE_GENERATOR_SETTINGS;
 		
 		for (Map.Entry<ResourceKey<NoiseGeneratorSettings>, NoiseGeneratorSettings> entry : chunkGenSettingsRegistry.entrySet()) {
-			Map<StructureFeature<?>, Multimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>> structureMap = getMutableStructureConfig(entry.getValue());
-			
-			modifier.accept(structureMap);
-			setMutableStructureConfig(entry.getValue(), structureMap);
+			final StructureSettingsAccessor access = (StructureSettingsAccessor)  entry.getValue().structureSettings();
+			changeStructureStarts(access, modifier);
 		}
 	}
 	
+	
+	private static void changeStructureStarts(StructureSettingsAccessor access, Consumer<Map<StructureFeature<?>, Multimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>>> modifier) {
+			Map<StructureFeature<?>, Multimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>> structureMap;
+			structureMap = getMutableStructureConfig(access);
+			modifier.accept(structureMap);
+			setMutableStructureConfig(access, structureMap);
+	}
+	
 	private static void sortFeatures(List<Supplier<PlacedFeature>> features) {
 		initFeatureOrder();
 		
@@ -850,12 +880,11 @@ public class BiomeAPI {
 	}
 	
 	//inspired by net.fabricmc.fabric.impl.biome.modification.BiomeStructureStartsImpl
-	private static Map<StructureFeature<?>, Multimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>> getMutableStructureConfig(NoiseGeneratorSettings settings) {
-		final StructureSettingsAccessor access = (StructureSettingsAccessor)settings.structureSettings();
-		ImmutableMap<StructureFeature<?>, ImmutableMultimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>> immutableMap = access.bcl_getStructureConfig();
-		Map<StructureFeature<?>, Multimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>> result = new HashMap<>(immutableMap.size());
+	private static Map<StructureFeature<?>, Multimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>> getMutableStructureConfig(StructureSettingsAccessor access) {
+		ImmutableMap<StructureFeature<?>, ImmutableMultimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>> configuredStructures = access.bcl_getConfiguredStructures();
+		Map<StructureFeature<?>, Multimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>> result = new HashMap<>(configuredStructures.size());
 		
-		for (Map.Entry<StructureFeature<?>, ImmutableMultimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>> entry : immutableMap.entrySet()) {
+		for (Map.Entry<StructureFeature<?>, ImmutableMultimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>> entry : configuredStructures.entrySet()) {
 			result.put(entry.getKey(), HashMultimap.create(entry.getValue()));
 		}
 		
@@ -863,9 +892,8 @@ public class BiomeAPI {
 	}
 	
 	//inspired by net.fabricmc.fabric.impl.biome.modification.BiomeStructureStartsImpl
-	private static void setMutableStructureConfig(NoiseGeneratorSettings settings, Map<StructureFeature<?>, Multimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>> structureStarts) {
-		final StructureSettingsAccessor access = (StructureSettingsAccessor) settings.structureSettings();
-		access.bcl_setStructureConfig(
+	private static void setMutableStructureConfig(StructureSettingsAccessor access, Map<StructureFeature<?>, Multimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>> structureStarts) {
+		access.bcl_setConfiguredStructures(
 			structureStarts
 				.entrySet()
 				.stream()
diff --git a/src/main/java/ru/bclib/mixin/client/MinecraftMixin.java b/src/main/java/ru/bclib/mixin/client/MinecraftMixin.java
index 6c884bcf..7be3364a 100644
--- a/src/main/java/ru/bclib/mixin/client/MinecraftMixin.java
+++ b/src/main/java/ru/bclib/mixin/client/MinecraftMixin.java
@@ -1,6 +1,12 @@
 package ru.bclib.mixin.client;
 
+import com.google.common.collect.HashMultimap;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableMultimap;
+import com.google.common.collect.Multimap;
 import com.mojang.datafixers.util.Function4;
+import net.fabricmc.fabric.api.event.registry.DynamicRegistrySetupCallback;
+import net.fabricmc.fabric.api.event.registry.RegistryEntryAddedCallback;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.Minecraft.ExperimentalDialogType;
 import net.minecraft.client.color.block.BlockColors;
@@ -9,10 +15,17 @@ import net.minecraft.client.main.GameConfig;
 import net.minecraft.core.Registry;
 import net.minecraft.core.RegistryAccess;
 import net.minecraft.core.RegistryAccess.RegistryHolder;
+import net.minecraft.data.BuiltinRegistries;
+import net.minecraft.resources.ResourceKey;
 import net.minecraft.server.packs.resources.ResourceManager;
 import net.minecraft.world.level.DataPackConfig;
 import net.minecraft.world.level.LevelSettings;
+import net.minecraft.world.level.biome.Biome;
+import net.minecraft.world.level.levelgen.NoiseGeneratorSettings;
+import net.minecraft.world.level.levelgen.SurfaceRules;
 import net.minecraft.world.level.levelgen.WorldGenSettings;
+import net.minecraft.world.level.levelgen.feature.ConfiguredStructureFeature;
+import net.minecraft.world.level.levelgen.feature.StructureFeature;
 import net.minecraft.world.level.storage.LevelStorageSource;
 import net.minecraft.world.level.storage.LevelStorageSource.LevelStorageAccess;
 import net.minecraft.world.level.storage.WorldData;
@@ -22,11 +35,18 @@ import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+import ru.bclib.BCLib;
 import ru.bclib.api.LifeCycleAPI;
+import ru.bclib.api.biomes.BiomeAPI;
 import ru.bclib.api.dataexchange.DataExchangeAPI;
 import ru.bclib.api.datafixer.DataFixerAPI;
 import ru.bclib.interfaces.CustomColorProvider;
+import ru.bclib.mixin.common.StructureSettingsAccessor;
 
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Optional;
+import java.util.function.Consumer;
 import java.util.function.Function;
 
 @Mixin(Minecraft.class)
@@ -60,13 +80,15 @@ public abstract class MinecraftMixin {
 	@Inject(method = "loadLevel", cancellable = true, at = @At("HEAD"))
 	private void bclib_callFixerOnLoad(String levelID, CallbackInfo ci) {
 		DataExchangeAPI.prepareServerside();
+		BiomeAPI.clearStructureStarts();
 		
 		if (DataFixerAPI.fixData(this.levelSource, levelID, true, (appliedFixes) -> {
 			LifeCycleAPI._runBeforeLevelLoad();
-			this.doLoadLevel(levelID, RegistryAccess.builtin(), Minecraft::loadDataPacks, Minecraft::loadWorldData, false, appliedFixes?ExperimentalDialogType.NONE:ExperimentalDialogType.BACKUP);
+			this.doLoadLevel(levelID, RegistryAccess.builtin(), Minecraft::loadDataPacks, Minecraft::loadWorldData, false, appliedFixes ? ExperimentalDialogType.NONE : ExperimentalDialogType.BACKUP);
 		})) {
 			ci.cancel();
-		} else {
+		}
+		else {
 			LifeCycleAPI._runBeforeLevelLoad();
 		}
 	}
diff --git a/src/main/java/ru/bclib/mixin/common/StructureSettingsAccessor.java b/src/main/java/ru/bclib/mixin/common/StructureSettingsAccessor.java
index cb323706..886c9be5 100644
--- a/src/main/java/ru/bclib/mixin/common/StructureSettingsAccessor.java
+++ b/src/main/java/ru/bclib/mixin/common/StructureSettingsAccessor.java
@@ -14,9 +14,9 @@ import org.spongepowered.asm.mixin.gen.Accessor;
 @Mixin(StructureSettings.class)
 public interface StructureSettingsAccessor {
 	@Accessor("configuredStructures")
-	ImmutableMap<StructureFeature<?>, ImmutableMultimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>> bcl_getStructureConfig();
+	ImmutableMap<StructureFeature<?>, ImmutableMultimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>> bcl_getConfiguredStructures();
 	
 	@Accessor("configuredStructures")
 	@Mutable
-	void bcl_setStructureConfig(ImmutableMap<StructureFeature<?>, ImmutableMultimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>> structureConfig);
+	void bcl_setConfiguredStructures(ImmutableMap<StructureFeature<?>, ImmutableMultimap<ConfiguredStructureFeature<?, ?>, ResourceKey<Biome>>> structureConfig);
 }