diff --git a/resources/templates/provision/polycom/5.x/{$mac}.cfg b/resources/templates/provision/polycom/5.x/{$mac}.cfg
index b716c3fa8f..046ac40bdc 100755
--- a/resources/templates/provision/polycom/5.x/{$mac}.cfg
+++ b/resources/templates/provision/polycom/5.x/{$mac}.cfg
@@ -80,6 +80,7 @@
 		device.prov.user="{$http_auth_username}"
 		device.prov.password.set="1"
 		device.prov.password="{$http_auth_password}"
+		device.prov.tagSerialNo.set="1"
 		device.prov.tagSerialNo="1"
 		{if isset($polycom_syslog_server)}
 		device.syslog.serverName.set="1"