diff --git a/SaintCoinach/Definitions/SubmarineExploration.json b/SaintCoinach/Definitions/SubmarineExploration.json
index 11598a5d..6b1e9f72 100644
--- a/SaintCoinach/Definitions/SubmarineExploration.json
+++ b/SaintCoinach/Definitions/SubmarineExploration.json
@@ -17,6 +17,10 @@
       "index": 3,
       "name": "Y"
     },
+    {
+      "index": 4,
+      "name": "Z"
+    },
     {
       "index": 5,
       "name": "Map",