diff --git a/src/main/java/net/hollowcube/polar/PolarReader.java b/src/main/java/net/hollowcube/polar/PolarReader.java
index c98e15c..8ab0733 100644
--- a/src/main/java/net/hollowcube/polar/PolarReader.java
+++ b/src/main/java/net/hollowcube/polar/PolarReader.java
@@ -94,7 +94,8 @@ private PolarReader() {}
         var blockPalette = buffer.readCollection(STRING).toArray(String[]::new);
         if (version <= PolarWorld.VERSION_SHORT_GRASS) {
             for (int i = 0; i < blockPalette.length; i++) {
-                if (NamespaceID.from(blockPalette[i]).path().equals("grass"))
+                String strippedID = blockPalette[i].split("\\[")[0];
+                if (NamespaceID.from(strippedID).path().equals("grass"))
                     blockPalette[i] = "short_grass";
             }
         }