diff --git a/src/main/java/net/minecraftforge/common/BiomeDictionary.java b/src/main/java/net/minecraftforge/common/BiomeDictionary.java
index 726cf9bcdc..a820b24987 100644
--- a/src/main/java/net/minecraftforge/common/BiomeDictionary.java
+++ b/src/main/java/net/minecraftforge/common/BiomeDictionary.java
@@ -101,7 +101,12 @@ public class BiomeDictionary
                 if (t.name().equals(name))
                     return t;
             }
-            return EnumHelper.addEnum(Type.class, name, new Class[]{Type[].class}, new Object[]{subTypes});
+            Type ret = EnumHelper.addEnum(Type.class, name, new Class[]{Type[].class}, new Object[]{subTypes});
+            if (ret.ordinal() >= typeInfoList.length)
+            {
+                typeInfoList = Arrays.copyOf(typeInfoList, ret.ordinal());
+            }
+            return ret;
         }
     }