diff --git a/iris.overworld.tropical/biomes/tropical-rainforest.json b/iris.overworld.tropical/biomes/tropical-rainforest.json
index 7bb986af..ece82ec8 100644
--- a/iris.overworld.tropical/biomes/tropical-rainforest.json
+++ b/iris.overworld.tropical/biomes/tropical-rainforest.json
@@ -174,7 +174,7 @@
             "stackMax": 1,
             "palette": [
                 "minecraft:jungle_leaves[persistent=true]",
-                "grass"
+                "GRASS"
             ],
             "dispersion": "scatter",
             "variance": "WISPY"