diff --git a/src/main/java/com/falsepattern/endlessids/asm/ClassEdit.java b/src/main/java/com/falsepattern/endlessids/asm/ClassEdit.java
index 7e67a84..75417bb 100644
--- a/src/main/java/com/falsepattern/endlessids/asm/ClassEdit.java
+++ b/src/main/java/com/falsepattern/endlessids/asm/ClassEdit.java
@@ -4,7 +4,6 @@ import java.util.HashMap;
 import com.falsepattern.endlessids.asm.transformer.WorldEditBaseBlock;
 import com.falsepattern.endlessids.asm.transformer.MFQM;
 import com.falsepattern.endlessids.asm.transformer.UndergroundBiomesBiomeUndergroundDecorator;
-import com.falsepattern.endlessids.asm.transformer.UndergroundBiomesOreUBifier;
 import com.falsepattern.endlessids.asm.transformer.CofhBlockHelper;
 import com.falsepattern.endlessids.asm.transformer.FmlRegistry;
 import java.util.Map;
@@ -29,7 +28,7 @@ public enum ClassEdit
     //VanillaWorld(new VanillaWorld(), new String[] { "net.minecraft.world.World" }),
     FmlRegistry(new FmlRegistry(), new String[] { "cpw.mods.fml.common.registry.GameData", "cpw.mods.fml.common.registry.FMLControlledNamespacedRegistry" }), 
     CofhBlockHelper(new CofhBlockHelper(), new String[] { "cofh.lib.util.helpers.BlockHelper" }), 
-    UndergroundBiomesOreUBifier(new UndergroundBiomesOreUBifier(), new String[] { "exterminatorJeff.undergroundBiomes.worldGen.OreUBifier" }), 
+    //UndergroundBiomesOreUBifier(new UndergroundBiomesOreUBifier(), new String[] { "exterminatorJeff.undergroundBiomes.worldGen.OreUBifier" }),
     UndergroundBiomesBiomeUndergroundDecorator(new UndergroundBiomesBiomeUndergroundDecorator(), new String[] { "exterminatorJeff.undergroundBiomes.worldGen.BiomeUndergroundDecorator" }), 
     MFQM(new MFQM(), new String[] { "MoreFunQuicksandMod.main.MFQM" }), 
     WorldEditBaseBlock(new WorldEditBaseBlock(), new String[] { "com.sk89q.worldedit.blocks.BaseBlock" });
diff --git a/src/main/java/com/falsepattern/endlessids/asm/transformer/UndergroundBiomesOreUBifier.java b/src/main/java/com/falsepattern/endlessids/asm/transformer/UndergroundBiomesOreUBifier.java
deleted file mode 100644
index 9d44296..0000000
--- a/src/main/java/com/falsepattern/endlessids/asm/transformer/UndergroundBiomesOreUBifier.java
+++ /dev/null
@@ -1,21 +0,0 @@
-package com.falsepattern.endlessids.asm.transformer;
-
-import com.falsepattern.endlessids.constants.ExtendedConstants;
-import com.falsepattern.endlessids.constants.VanillaConstants;
-import org.objectweb.asm.tree.MethodNode;
-import com.falsepattern.endlessids.asm.AsmUtil;
-import org.objectweb.asm.tree.ClassNode;
-import com.falsepattern.endlessids.asm.IClassNodeTransformer;
-
-public class UndergroundBiomesOreUBifier implements IClassNodeTransformer
-{
-    public UndergroundBiomesOreUBifier() {
-        super();
-    }
-    
-    @Override
-    public void transform(final ClassNode cn, final boolean obfuscated) {
-        final MethodNode method = AsmUtil.findMethod(cn, "renewBlockReplacers");
-        AsmUtil.transformInlinedSizeMethod(cn, method, VanillaConstants.blockIDCount, ExtendedConstants.blockIDCount, false);
-    }
-}
diff --git a/src/main/java/com/falsepattern/endlessids/mixin/mixins/common/ubc/OreUBifierMixin.java b/src/main/java/com/falsepattern/endlessids/mixin/mixins/common/ubc/OreUBifierMixin.java
new file mode 100644
index 0000000..6b05d07
--- /dev/null
+++ b/src/main/java/com/falsepattern/endlessids/mixin/mixins/common/ubc/OreUBifierMixin.java
@@ -0,0 +1,18 @@
+package com.falsepattern.endlessids.mixin.mixins.common.ubc;
+
+import com.falsepattern.endlessids.constants.ExtendedConstants;
+import com.falsepattern.endlessids.constants.VanillaConstants;
+import exterminatorJeff.undergroundBiomes.worldGen.OreUBifier;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.Constant;
+import org.spongepowered.asm.mixin.injection.ModifyConstant;
+
+@Mixin(value = OreUBifier.class, remap = false)
+public abstract class OreUBifierMixin {
+    @ModifyConstant(method = "renewBlockReplacers",
+                    constant = @Constant(intValue = VanillaConstants.blockIDCount),
+                    require = 1)
+    private int extendReplacerArraySize(int constant) {
+        return ExtendedConstants.blockIDCount;
+    }
+}
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 4a6b08f..238069a 100644
--- a/src/main/java/com/falsepattern/endlessids/mixin/plugin/Mixin.java
+++ b/src/main/java/com/falsepattern/endlessids/mixin/plugin/Mixin.java
@@ -38,6 +38,11 @@ public enum Mixin {
             RenderGlobalMixin(builder(Side.CLIENT).mixin("vanilla.RenderGlobalMixin")),
         //END client
     //END Minecraft
+    //BEGIN UBC
+        //BEGIN common
+            OreUBifierMixin(builder(Side.COMMON).target(TargetedMod.UBC).mixin("ubc.OreUBifierMixin"))
+        //END common
+    //END ubc
     ;
 
     public final String mixin;