diff --git a/amazon-kinesis-client/src/main/java/software/amazon/kinesis/leases/dynamodb/DynamoDBLeaseTaker.java b/amazon-kinesis-client/src/main/java/software/amazon/kinesis/leases/dynamodb/DynamoDBLeaseTaker.java
index 365b1cbaf..a90ef56e0 100644
--- a/amazon-kinesis-client/src/main/java/software/amazon/kinesis/leases/dynamodb/DynamoDBLeaseTaker.java
+++ b/amazon-kinesis-client/src/main/java/software/amazon/kinesis/leases/dynamodb/DynamoDBLeaseTaker.java
@@ -236,6 +236,7 @@ synchronized Map<String, Lease> takeLeases(Callable<Long> timeProvider)
             }
 
             scope.addData("TakenLeases", takenLeases.size(), StandardUnit.COUNT, MetricsLevel.SUMMARY);
+            scope.addData("UntakenLeases", untakenLeaseKeys.size(), StandardUnit.COUNT, MetricsLevel.SUMMARY);
         } finally {
             MetricsUtil.endScope(scope);
         }