diff --git a/src/main/java/org/dynmap/bukkit/BukkitVersionHelperGlowstone.java b/src/main/java/org/dynmap/bukkit/BukkitVersionHelperGlowstone.java
index a25e4fe9..8b15753d 100644
--- a/src/main/java/org/dynmap/bukkit/BukkitVersionHelperGlowstone.java
+++ b/src/main/java/org/dynmap/bukkit/BukkitVersionHelperGlowstone.java
@@ -19,7 +19,7 @@ public class BukkitVersionHelperGlowstone extends BukkitVersionHelper {
     
     public BukkitVersionHelperGlowstone() {
         try {
-            Class<?> c = Class.forName("net.glowstone.GlowChunkSnapshot");
+            Class<?> c = Class.forName("net.glowstone.chunk.GlowChunkSnapshot");
             rawbiome = c.getMethod("getRawBiomes", new Class[0]);
 
             /** Server */