diff --git a/resources/templates/provision/cisco/spa303/{$mac}.xml b/resources/templates/provision/cisco/spa303/{$mac}.xml
index a70ebb3ea1..5691d587ad 100644
--- a/resources/templates/provision/cisco/spa303/{$mac}.xml
+++ b/resources/templates/provision/cisco/spa303/{$mac}.xml
@@ -289,7 +289,7 @@
 
 <!-- Proxy and Registration -->
 <Proxy_1_ ua="na">{$server_address_1}</Proxy_1_>
-<Outbound_Proxy_1_ ua="na"></Outbound_Proxy_1_>
+<Outbound_Proxy_1_ ua="na">{$outbound_proxy_primary_1}</Outbound_Proxy_1_>
 <Use_Outbound_Proxy_1_ ua="na">No</Use_Outbound_Proxy_1_>
 <Use_OB_Proxy_In_Dialog_1_ ua="na">Yes</Use_OB_Proxy_In_Dialog_1_>
 <Register_1_ ua="na">Yes</Register_1_>