diff --git a/resources/templates/provision/yealink/t58v/y000000000058.cfg b/resources/templates/provision/yealink/t58v/y000000000058.cfg
index 44b5bcfd7a..6cbac019b6 100644
--- a/resources/templates/provision/yealink/t58v/y000000000058.cfg
+++ b/resources/templates/provision/yealink/t58v/y000000000058.cfg
@@ -1000,7 +1000,7 @@ static.security.user_password = {$var_name}:{$var_password}
 ###It enables or disables the phone to only accept the certificates in the Trusted Certificates list.
 ###0-Disabled,1-Enabled.
 ###The default value is 1.It takes effect after a reboot.
-static.security.trust_certificates = 
+static.security.trust_certificates = {if $yealink_trust_certificates == "false"}0{elseif $yealink_trust_certificates == "true"}1{/if}
 
 ###It configures the source certificates for the phone to authenticate for TLS connection.
 ###0-Default certificates,1-Custom certificates,2-All certificates.