diff --git a/resources/templates/provision/yealink/t40g/y000000000076.cfg b/resources/templates/provision/yealink/t40g/y000000000076.cfg
index 4245e9fc28..7adafc220d 100644
--- a/resources/templates/provision/yealink/t40g/y000000000076.cfg
+++ b/resources/templates/provision/yealink/t40g/y000000000076.cfg
@@ -983,7 +983,7 @@ phone_setting.backlight_time = {$yealink_backlight_time}
 
 wallpaper_upload.url = {$yealink_t40g_wallpaper}
 {if isset($t40g_wallpaper_filename)}
-phone_setting.backgrounds =  Config:{$t40g_wallpaper_filename}
+phone_setting.backgrounds =  Config:{$yealink_t40g_wallpaper_filename}
 {else}
 phone_setting.backgrounds =  Config:yealink_t40g_wallpaper.png
 {/if}