diff --git a/resources/templates/provision/yealink/t56a/{$mac}.cfg b/resources/templates/provision/yealink/t56a/{$mac}.cfg
index 2844072c29..b93ccf57cc 100644
--- a/resources/templates/provision/yealink/t56a/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t56a/{$mac}.cfg
@@ -2817,7 +2817,7 @@ bw.enable =
 ###It enables or disables feature key synchronization.
 ###0-Disabled,1-Enabled.
 ###The default value is 0.
-bw.feature_key_sync = 
+bw.feature_key_sync = {$yealink_feature_key_sync} 
 
 
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