diff --git a/resources/templates/provision/yealink/t48s/y000000000065.cfg b/resources/templates/provision/yealink/t48s/y000000000065.cfg
index d5609b79fd..c6886b6a53 100644
--- a/resources/templates/provision/yealink/t48s/y000000000065.cfg
+++ b/resources/templates/provision/yealink/t48s/y000000000065.cfg
@@ -1481,8 +1481,8 @@ features.power_saving.intelligent_mode=
 ##2MB of space should bereserved for the phone
 
 wallpaper_upload.url = {$yealink_t48s_wallpaper}
-{if isset($t48s_wallpaper_filename)}
-phone_setting.backgrounds =  Config:{$t48s_wallpaper_filename}
+{if isset($yealink_t48s_wallpaper_filename)}
+phone_setting.backgrounds =  Config:{$yealink_t48s_wallpaper_filename}
 {else}
 phone_setting.backgrounds =  Config:yealink_t48s_wallpaper.png
 {/if}