diff --git a/resources/templates/provision/yealink/t38g/y000000000038.cfg b/resources/templates/provision/yealink/t38g/y000000000038.cfg
index fcabdef44a..c491f603f2 100644
--- a/resources/templates/provision/yealink/t38g/y000000000038.cfg
+++ b/resources/templates/provision/yealink/t38g/y000000000038.cfg
@@ -1299,7 +1299,7 @@ directory_setting.url = https://{if isset($http_auth_username)}{$http_auth_usern
 
 wallpaper_upload.url = {$yealink_t38g_wallpaper}
 {if isset($t38g_wallpaper_filename)}
-phone_setting.backgrounds =  Config:{$t38g_wallpaper_filename}
+phone_setting.backgrounds =  Config:{$yealink_t38g_wallpaper_filename}
 {else}
 phone_setting.backgrounds =  Config:yealink_t38g_wallpaper.png
 {/if}