diff --git a/build.xml b/build.xml
index fd1bbb214..438c9346b 100644
--- a/build.xml
+++ b/build.xml
@@ -4,7 +4,7 @@
 
 	<property name="mod.majorversion" value="1" />
 	<property name="mod.minecraftversion" value="1" />
-	<property name="mod.tweakversion" value="1" />
+	<property name="mod.tweakversion" value="2" />
 	<property name="mod.version" value="${mod.majorversion}.${mod.minecraftversion}.${mod.tweakversion}" />
 	<condition property="mod.build" value="${env.BUILD_NUMBER}" else="0">
 		<isset property="env.BUILD_NUMBER" />
@@ -132,7 +132,7 @@
 		<replace dir="${mcp.dir}/src/minecraft/biomesoplenty" token="@VERSION@" value="${mod.version}" />
 		<replace dir="${mcp.dir}/src/minecraft/biomesoplenty" token="@BUILD_NUMBER@" value="${mod.build}" />
 		<replace dir="${mcp.dir}/src/minecraft/biomesoplenty" token="@MC_VERSION@" value="${mc.version}" />
-		<replace dir="${mcp.dir}/src/minecraft/biomesoplenty" token="1.42.666.42.1" value="${forge.version}" />
+		<replace dir="${mcp.dir}/src/minecraft/biomesoplenty" token="1.42.666.42.1" value="9.10.1.871" />
 
 		<replace dir="${mcp.dir}/reobf/resources" token="@VERSION@" value="${mod.version}" />
 		<replace dir="${mcp.dir}/reobf/resources" token="@BUILD_NUMBER@" value="${mod.build}" />
diff --git a/common/biomesoplenty/BiomesOPlenty.java b/common/biomesoplenty/BiomesOPlenty.java
index 5f8efc196..e7f4fcc91 100644
--- a/common/biomesoplenty/BiomesOPlenty.java
+++ b/common/biomesoplenty/BiomesOPlenty.java
@@ -1,5 +1,6 @@
 package biomesoplenty;
 
+import net.minecraft.crash.CallableMinecraftVersion;
 import net.minecraft.creativetab.CreativeTabs;
 import net.minecraftforge.common.DimensionManager;
 import net.minecraftforge.common.MinecraftForge;
@@ -73,7 +74,8 @@ public class BiomesOPlenty
 		BOPItems.init();
 		BOPFluids.init();
 		BOPCrafting.init();
-		BOPStructures.init();
+		if ((new CallableMinecraftVersion(null)).minecraftVersion() != "1.6.2")
+			BOPStructures.init();
 		BOPBiomes.init();
 		BOPEntities.init();
 		BOPVanillaCompat.init();