diff --git a/resources/templates/provision/yealink/t48s/y000000000065.cfg b/resources/templates/provision/yealink/t48s/y000000000065.cfg
index ab0afc3f82..61359154bd 100644
--- a/resources/templates/provision/yealink/t48s/y000000000065.cfg
+++ b/resources/templates/provision/yealink/t48s/y000000000065.cfg
@@ -1125,7 +1125,7 @@ features.reboot_in_talk_enable =
 features.fwd_diversion_enable=
 
 call_waiting.enable = {$yealink_call_waiting}
-call_waiting.tone=
+call_waiting.tone = {$yealink_call_waiting_tone}
 call_waiting.off_code=
 call_waiting.on_code=