diff --git a/agent.yaml.template b/agent.yaml.template
index 45464e2f..60738b3f 100644
--- a/agent.yaml.template
+++ b/agent.yaml.template
@@ -125,7 +125,7 @@ Statsd:
   monasca_statsd_port : {args.monasca_statsd_port}
 
   ## The monasca_statsd flush period.
-  # monasca_statsd_interval : 20
+  monasca_statsd_interval : {args.monasca_statsd_interval}
 
   # If you want to forward every packet received by the monasca_statsd server
   # to another statsd server, uncomment these lines.
diff --git a/docs/Agent.md b/docs/Agent.md
index 5e206e75..c4b5bcbd 100644
--- a/docs/Agent.md
+++ b/docs/Agent.md
@@ -113,6 +113,7 @@ All parameters require a '--' before the parameter such as '--verbose'. Run `mon
 | backlog_send_rate | Integer value of how many batches of buffered measurements to send each time the forwarder flushes data | 1000 |
 | max_batch_size | Maximum batch size of measurements to write to monasca-api, 0 is no limit | 0 |
 | monasca_statsd_port | Integer value for statsd daemon port number | 8125 |
+| monasca_statsd_interval | Integer value for the statsd metric aggregation interval (seconds) | 20 |
 
 #### A note around using monasca-agent with different versions of Keystone
 
diff --git a/monasca_setup/main.py b/monasca_setup/main.py
index 68bb8906..733d3152 100644
--- a/monasca_setup/main.py
+++ b/monasca_setup/main.py
@@ -428,6 +428,9 @@ def parse_arguments(parser):
     parser.add_argument('--monasca_statsd_port',
                         help="Statsd daemon port number",
                         default=8125)
+    parser.add_argument('--monasca_statsd_interval',
+                        help="Statsd metric aggregation interval (seconds)",
+                        default=20)
     parser.add_argument('--agent_service_name',
                         help="agent's systemd/sysv service name",
                         required=False,