diff --git a/opencontrail/files/4.0/contrail-vrouter-agent.conf b/opencontrail/files/4.0/contrail-vrouter-agent.conf
index c4a16aa..6724afa 100644
--- a/opencontrail/files/4.0/contrail-vrouter-agent.conf
+++ b/opencontrail/files/4.0/contrail-vrouter-agent.conf
@@ -6,14 +6,14 @@
 [CONTROL-NODE]
 # List of IPAdress:Port of control-node's separated by space.(Mandatory)
 # servers=10.0.0.1:5269 10.0.0.2:5260 10.0.0.3:5260
-servers={% for member in compute.control.members %}{{ member.host }}:5269 {% endfor %}
+servers={% for member in compute.control.members %}{{ member.host }}:5269{% if not loop.last %} {% endif %}{% endfor %}
 
 [DEFAULT]
 # Everything in this section is optional
 
 # IP address and port to be used to connect to collector.
 # Multiple IP:port strings separated by space can be provided
-collectors = {% for member in compute.collector.members %}{{ member.host }}:8086 {% endfor %}
+collectors = {% for member in compute.collector.members %}{{ member.host }}:8086{% if not loop.last %} {% endif %}{% endfor %}
 
 # Agent mode : can be vrouter / tsn / tor (default is vrouter)
 # agent_mode=
@@ -134,6 +134,7 @@
 
 # List of IPAdress:Port of DNS Servers separated by space.
 # servers=10.0.0.1:53 10.0.0.2:53 10.0.0.3:53
+servers={% for member in compute.control.members %}{{ member.host }}:53{% if not loop.last %} {% endif %}{% endfor %}
 
 # Timeout for DNS server queries in milli-seconds
 # dns_timeout=