diff --git a/src/main/java/net/minecraftforge/common/util/EnumHelper.java b/src/main/java/net/minecraftforge/common/util/EnumHelper.java
index d27ffa3b7b..1d65d9d088 100644
--- a/src/main/java/net/minecraftforge/common/util/EnumHelper.java
+++ b/src/main/java/net/minecraftforge/common/util/EnumHelper.java
@@ -250,6 +250,8 @@ public class EnumHelper
     {
         blankField(enumClass, "enumConstantDirectory");
         blankField(enumClass, "enumConstants");
+        //Open J9
+        blankField(enumClass, "enumVars");
     }
 
     @Nullable