diff --git a/resources/templates/provision/yealink/t52s/y000000000074.cfg b/resources/templates/provision/yealink/t52s/y000000000074.cfg
index 96c0a13464..d349dd290d 100644
--- a/resources/templates/provision/yealink/t52s/y000000000074.cfg
+++ b/resources/templates/provision/yealink/t52s/y000000000074.cfg
@@ -1113,7 +1113,7 @@ 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=