diff --git a/resources/templates/provision/yealink/w56p/y000000000025.cfg b/resources/templates/provision/yealink/w56p/y000000000025.cfg
index 5a23f3b06c..f9ac38fcc0 100644
--- a/resources/templates/provision/yealink/w56p/y000000000025.cfg
+++ b/resources/templates/provision/yealink/w56p/y000000000025.cfg
@@ -190,7 +190,7 @@ bw.feature_key_sync = {$yealink_feature_key_sync}
 
 #Enable or disable the phone to only accept the certificates in the Trusted Certificates list;
 #0-Disabled, 1-Enabled (default);
-security.trust_certificates = {if $trusted_cert_only == "false"}0{elseif $trusted_cert_only == "true"}1{/if}
+security.trust_certificates = {if $yealink_trust_certificates == "false"}0{elseif $yealink_trust_certificates == "true"}1{/if}
 
 #Set the password of the user or the administrator, the value format is: user:password or admin:password;
 {if isset($user_name) }