diff --git a/src/main/java/net/minecraftforge/common/util/Constants.java b/src/main/java/net/minecraftforge/common/util/Constants.java
index e3ad76cc6b..ebcfbdc997 100644
--- a/src/main/java/net/minecraftforge/common/util/Constants.java
+++ b/src/main/java/net/minecraftforge/common/util/Constants.java
@@ -46,6 +46,7 @@ public class Constants
         public static final int TAG_LIST        = 9;
         public static final int TAG_COMPOUND    = 10;
         public static final int TAG_INT_ARRAY   = 11;
+        public static final int TAG_LONG_ARRAY  = 12;
         public static final int TAG_ANY_NUMERIC = 99;
     }
 }