diff --git a/src/main/java/com/falsepattern/endlessids/mixin/mixins/common/bop/BoPBiomeManagerMixin.java b/src/main/java/com/falsepattern/endlessids/mixin/mixins/common/bop/BOPBiomeManagerMixin.java
similarity index 95%
rename from src/main/java/com/falsepattern/endlessids/mixin/mixins/common/bop/BoPBiomeManagerMixin.java
rename to src/main/java/com/falsepattern/endlessids/mixin/mixins/common/bop/BOPBiomeManagerMixin.java
index ad2e251..3e22e43 100644
--- a/src/main/java/com/falsepattern/endlessids/mixin/mixins/common/bop/BoPBiomeManagerMixin.java
+++ b/src/main/java/com/falsepattern/endlessids/mixin/mixins/common/bop/BOPBiomeManagerMixin.java
@@ -9,7 +9,7 @@ import org.spongepowered.asm.mixin.injection.ModifyConstant;
 
 @Mixin(value = BOPBiomeManager.class,
        remap = false)
-public abstract class BoPBiomeManagerMixin {
+public abstract class BOPBiomeManagerMixin {
     @ModifyConstant(method = "getNextFreeBiomeId",
                     constant = @Constant(intValue = VanillaConstants.biomeIDCount),
                     require = 1)
diff --git a/src/main/java/com/falsepattern/endlessids/mixin/mixins/common/bop/ChunkProviderBOPEndMixin.java b/src/main/java/com/falsepattern/endlessids/mixin/mixins/common/bop/ChunkProviderBOPEndMixin.java
new file mode 100644
index 0000000..aee27ee
--- /dev/null
+++ b/src/main/java/com/falsepattern/endlessids/mixin/mixins/common/bop/ChunkProviderBOPEndMixin.java
@@ -0,0 +1,27 @@
+package com.falsepattern.endlessids.mixin.mixins.common.bop;
+
+import biomesoplenty.common.world.ChunkProviderBOPEnd;
+import com.falsepattern.endlessids.mixin.helpers.BiomePatchHelper;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+import net.minecraft.world.biome.BiomeGenBase;
+import net.minecraft.world.chunk.Chunk;
+
+@Mixin(value = ChunkProviderBOPEnd.class,
+       remap = false)
+public abstract class ChunkProviderBOPEndMixin {
+    @Shadow private BiomeGenBase[] biomesForGeneration;
+
+    @Redirect(method = "provideChunk",
+              at = @At(value = "INVOKE",
+                       target = "Lnet/minecraft/world/chunk/Chunk;getBiomeArray()[B",
+                       remap = true),
+              remap = true,
+              require = 1)
+    private byte[] setBiomesTweaked(Chunk chunk) {
+        return BiomePatchHelper.getBiomeArrayTweaked(chunk, biomesForGeneration);
+    }
+}
diff --git a/src/main/java/com/falsepattern/endlessids/mixin/mixins/common/bop/ChunkProviderBOPHellMixin.java b/src/main/java/com/falsepattern/endlessids/mixin/mixins/common/bop/ChunkProviderBOPHellMixin.java
new file mode 100644
index 0000000..802078f
--- /dev/null
+++ b/src/main/java/com/falsepattern/endlessids/mixin/mixins/common/bop/ChunkProviderBOPHellMixin.java
@@ -0,0 +1,48 @@
+package com.falsepattern.endlessids.mixin.mixins.common.bop;
+
+import biomesoplenty.common.world.ChunkProviderBOPHell;
+import com.falsepattern.endlessids.mixin.helpers.BiomePatchHelper;
+import org.spongepowered.asm.mixin.Mixin;
+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.Redirect;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+import org.spongepowered.asm.mixin.injection.callback.LocalCapture;
+
+import net.minecraft.block.Block;
+import net.minecraft.world.biome.BiomeGenBase;
+import net.minecraft.world.chunk.Chunk;
+
+@Mixin(value = ChunkProviderBOPHell.class,
+       remap = false)
+public abstract class ChunkProviderBOPHellMixin {
+    private BiomeGenBase[] bgb;
+
+    @Inject(method = "provideChunk",
+            at = @At(value = "INVOKE",
+                     target = "Lnet/minecraft/world/chunk/Chunk;getBiomeArray()[B",
+                     shift = At.Shift.BEFORE,
+                     remap = true),
+            locals = LocalCapture.CAPTURE_FAILHARD,
+            remap = true,
+            require = 1)
+    private void setBiomesTweaked1(int par1, int par2, CallbackInfoReturnable<Chunk> cir, byte[] abyte, Block[] blocks, Chunk chunk, BiomeGenBase[] abiomegenbase) {
+        bgb = abiomegenbase;
+
+    }
+
+    @Redirect(method = "provideChunk",
+              at = @At(value = "INVOKE",
+                       target = "Lnet/minecraft/world/chunk/Chunk;getBiomeArray()[B",
+                       remap = true),
+              remap = true,
+              require = 1)
+    private byte[] setBiomesTweaked2(Chunk chunk) {
+        try {
+            return BiomePatchHelper.getBiomeArrayTweaked(chunk, bgb);
+        } finally {
+            bgb = null;
+        }
+    }
+}
diff --git a/src/main/java/com/falsepattern/endlessids/mixin/plugin/Mixin.java b/src/main/java/com/falsepattern/endlessids/mixin/plugin/Mixin.java
index 8fcc6a6..801e61b 100644
--- a/src/main/java/com/falsepattern/endlessids/mixin/plugin/Mixin.java
+++ b/src/main/java/com/falsepattern/endlessids/mixin/plugin/Mixin.java
@@ -81,7 +81,9 @@ public enum Mixin implements IMixin {
     ATGWorldGenRocksMixin(Side.COMMON, require(TargetedMod.ATG), "atg.ATGWorldGenRocksMixin"),
     //endregion ATG->common
     //region BoP->common
-    BoPBiomeManagerMixin(Side.COMMON, require(TargetedMod.BOP), "bop.BoPBiomeManagerMixin"),
+    BOPBiomeManagerMixin(Side.COMMON, require(TargetedMod.BOP), "bop.BOPBiomeManagerMixin"),
+    ChunkProviderBOPEndMixin(Side.COMMON, require(TargetedMod.BOP), "bop.ChunkProviderBOPEndMixin"),
+    ChunkProviderBOPHellMixin(Side.COMMON, require(TargetedMod.BOP), "bop.ChunkProviderBOPHellMixin"),
     //endregion BoP->common
     //region CoFHLib->common
     CoFHLibCofhBlockHelperMixin(Side.COMMON, require(TargetedMod.COFHLIB), "cofhlib.BlockHelperMixin"),