diff --git a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AOrderedListBinaryTokenizer.java b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AOrderedListBinaryTokenizer.java
index 7c99b2f..3323fc7 100644
--- a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AOrderedListBinaryTokenizer.java
+++ b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AOrderedListBinaryTokenizer.java
@@ -80,4 +80,9 @@
     protected int getNumberOfItems(byte[] data, int start) {
         return AOrderedListSerializerDeserializer.getNumberOfItems(data, start);
     }
+
+    @Override
+    public short getTokensCount() {
+        return (short) listLength;
+    }
 }