diff --git a/common/biomesoplenty/asm/BOPFMLLoadingPlugin.java b/common/biomesoplenty/asm/BOPFMLLoadingPlugin.java
index 631eb9dc4..83c0e30a4 100644
--- a/common/biomesoplenty/asm/BOPFMLLoadingPlugin.java
+++ b/common/biomesoplenty/asm/BOPFMLLoadingPlugin.java
@@ -5,7 +5,9 @@ import java.util.Map;
 
 import biomesoplenty.asm.smoothing.BOPBiomeTransitionSmoothing;
 import cpw.mods.fml.relauncher.IFMLLoadingPlugin;
+import cpw.mods.fml.relauncher.IFMLLoadingPlugin.TransformerExclusions;
 
+@TransformerExclusions({ "biomesoplenty.asm" })
 public class BOPFMLLoadingPlugin implements IFMLLoadingPlugin
 {
     public static File location;