diff --git a/src/main/java/com/sk89q/worldedit/data/AnvilChunk.java b/src/main/java/com/sk89q/worldedit/data/AnvilChunk.java
index 398bee434..96f92559a 100644
--- a/src/main/java/com/sk89q/worldedit/data/AnvilChunk.java
+++ b/src/main/java/com/sk89q/worldedit/data/AnvilChunk.java
@@ -124,7 +124,7 @@ public int getBlockID(Vector pos) throws DataException {
                 addId = (blocksAdd[section][index >> 2] & 0xF) << 8;
             }
             
-            return blocks[section][index] + addId;
+            return blocks[section][index] & 0xFF + addId;
         } catch (IndexOutOfBoundsException e) {
             throw new DataException("Chunk does not contain position " + pos);
         }