diff --git a/resources/templates/provision/yealink/t42s/y000000000067.cfg b/resources/templates/provision/yealink/t42s/y000000000067.cfg
index 18002cfab9..a63773ac1b 100644
--- a/resources/templates/provision/yealink/t42s/y000000000067.cfg
+++ b/resources/templates/provision/yealink/t42s/y000000000067.cfg
@@ -1431,7 +1431,7 @@ features.power_saving.intelligent_mode=
 ##2MB of space should bereserved for the phone
 
 wallpaper_upload.url = {$yealink_t42s_wallpaper}
-{if isset($t42s_wallpaper_filename)}
+{if isset($yealink_t42s_wallpaper_filename)}
 phone_setting.backgrounds =  Config:{$yealink_t42s_wallpaper_filename}
 {else}
 phone_setting.backgrounds =  Config:yealink_t42s_wallpaper.png