diff --git a/biomes/tundra/forest.json b/biomes/tundra/forest.json
index 0cadfef1..eeeda8b3 100644
--- a/biomes/tundra/forest.json
+++ b/biomes/tundra/forest.json
@@ -11,6 +11,7 @@
         "min": 8
     }],
     "customDerivitives": [{
+        "category": "forest",
         "id": "tundra_forest",
         "grassColor": "#56B16F",
         "waterColor": "#80B4C6",
diff --git a/biomes/tundra/mountains.json b/biomes/tundra/mountains.json
index 7044241a..5159844b 100644
--- a/biomes/tundra/mountains.json
+++ b/biomes/tundra/mountains.json
@@ -21,6 +21,7 @@
         }
     ],
     "customDerivitives": [{
+        "category": "forest",
         "id": "tundra_mountains",
         "grassColor": "#B0A747",
         "waterColor": "#80B4C6",
diff --git a/biomes/tundra/redwood-forest.json b/biomes/tundra/redwood-forest.json
index 243b91f2..13f1f250 100644
--- a/biomes/tundra/redwood-forest.json
+++ b/biomes/tundra/redwood-forest.json
@@ -11,6 +11,7 @@
         "generator": "smooth-dunes"
     }],
     "customDerivitives": [{
+        "category": "forest",
         "id": "tundra_redwood_forest",
         "grassColor": "#AC7B1F",
         "waterColor": "#80B4C6",
diff --git a/biomes/tundra/sequia-redwoods.json b/biomes/tundra/sequia-redwoods.json
index 42472afa..f2c2e9cc 100644
--- a/biomes/tundra/sequia-redwoods.json
+++ b/biomes/tundra/sequia-redwoods.json
@@ -10,6 +10,7 @@
         "generator": "plain"
     }],
     "customDerivitives": [{
+        "category": "forest",
         "id": "tundra_sequoia_redwoods",
         "grassColor": "#7BA13C",
         "waterColor": "#80B4C6",
diff --git a/regions/frozen.json b/regions/frozen.json
index ebbb80c6..e0936e01 100644
--- a/regions/frozen.json
+++ b/regions/frozen.json
@@ -37,7 +37,7 @@
             "style": "IRIS",
             "zoom": 5
         }
-    }
+    },
     "deposits": [
         {
             "minHeight": 8,