--- a/net/minecraft/client/renderer/model/WeightedBakedModel.java
+++ b/net/minecraft/client/renderer/model/WeightedBakedModel.java
@@ -30,6 +30,9 @@
    public boolean func_177555_b() {
       return this.field_177566_c.func_177555_b();
    }
+   
+   @Override
+   public boolean isAmbientOcclusion(IBlockState state) { return this.field_177566_c.isAmbientOcclusion(state); }
 
    public boolean func_177556_c() {
       return this.field_177566_c.func_177556_c();