--- a/net/minecraft/advancements/AdvancementList.java
+++ b/net/minecraft/advancements/AdvancementList.java
@@ -96,6 +96,7 @@
          }
       }
 
+      net.minecraftforge.common.AdvancementLoadFix.buildSortedTrees(this.field_192093_c);
       field_192091_a.info("Loaded {} advancements", (int)this.field_192092_b.size());
    }
 
