diff --git a/Core/src/main/java/com/songoda/core/compatibility/CompatibleMaterial.java b/Core/src/main/java/com/songoda/core/compatibility/CompatibleMaterial.java
index c059978d..b12e226f 100644
--- a/Core/src/main/java/com/songoda/core/compatibility/CompatibleMaterial.java
+++ b/Core/src/main/java/com/songoda/core/compatibility/CompatibleMaterial.java
@@ -1034,7 +1034,11 @@ public enum CompatibleMaterial {
 
     static {
         for (CompatibleMaterial m : values()) {
-            lookupMap.put(m.name(), m);
+            if (m.isRecycled()) {
+                lookupMap.put(m.legacy, m);
+                continue;
+            }
+                lookupMap.put(m.name(), m);
             if (!m.usesCompatibility()) {
                 lookupMap.put(m.material + ":" + (m.data == null ? "" : m.data), m);
             }
@@ -1160,6 +1164,15 @@ public enum CompatibleMaterial {
         //return compatibleMaterial != null && ServerVersion.isServerVersionBelow(compatibleMaterial.versionLessThan);
     }
 
+    /**
+     * Is this item reused in later versions of Minecraft?
+     *
+     * @return
+     */
+    public boolean isRecycled() {
+        return usesLegacy() && this == CompatibleMaterial.GRASS;
+    }
+
     /**
      * Get the legacy data value for this material if there is one, or -1 if
      * none