diff --git a/resources/templates/provision/yealink/vp530/{$mac}.cfg b/resources/templates/provision/yealink/vp530/{$mac}.cfg
index 826dcf7683..aac6950840 100644
--- a/resources/templates/provision/yealink/vp530/{$mac}.cfg
+++ b/resources/templates/provision/yealink/vp530/{$mac}.cfg
@@ -256,7 +256,7 @@ account.1.nat.udp_update_enable =
 account.1.nat.udp_update_time = 
 
 #Enable or disable the NAT Rport; 0-Disabled (default), 1-Enabled;
-account.1.nat.rport = 
+account.1.nat.rport = {$yealink_rport_1}
 
 #Configure the session timer (in seconds), the default values of T1, T2, T3 are 0.5, 4, 5.
 account.1.advanced.timer_t1 =