diff -r -U 3 minecraft_server\net\minecraft\entity\EntityList.java minecraft_server_patched\net\minecraft\entity\EntityList.java
--- minecraft_server\net\minecraft\entity\EntityList.java
+++ minecraft_server_patched\net\minecraft\entity\EntityList.java
@@ -338,7 +338,7 @@
          field_191309_d.add(resourcelocation);
 
          while(field_191311_g.size() <= p_191303_0_) {
-            field_191311_g.add((Object)null);
+            field_191311_g.add(null);
          }
 
          field_191311_g.set(p_191303_0_, p_191303_3_);