diff --git a/src/main/resources/default.json b/src/main/resources/default.json
index e98a54f..ea42122 100644
--- a/src/main/resources/default.json
+++ b/src/main/resources/default.json
@@ -2113,7 +2113,7 @@
         "class": "IslandRequirements",
         "parameters": {
           "requiredBlocks": {
-            "NETHERRACK": 1
+            "END_STONE": 1
           },
           "removeBlocks": false,
           "requiredEntities": {},