diff --git a/resources/templates/provision/yealink/t54w/{$mac}.cfg b/resources/templates/provision/yealink/t54w/{$mac}.cfg
index 734c94d05b..73196af299 100644
--- a/resources/templates/provision/yealink/t54w/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t54w/{$mac}.cfg
@@ -123,7 +123,7 @@ account.1.user_name = {$account.1.user_id}@{$account.1.server_address}
 account.1.user_name = {$account.1.user_id}
 {/if}
 
-account.1.sip_server.1.address= {$account.1.server_address}
+{if isset($account.1.server.1.address)} account.1.sip_server.1.address= {$account.1.server.1.address} {else} account.1.sip_server.1.address= {$account.1.server_address} {/if}
 account.1.sip_server.1.port= {$account.1.sip_port}