diff --git a/resources/templates/provision/yealink/t46g/y000000000028.cfg b/resources/templates/provision/yealink/t46g/y000000000028.cfg
index a9befea804..3f583956e1 100644
--- a/resources/templates/provision/yealink/t46g/y000000000028.cfg
+++ b/resources/templates/provision/yealink/t46g/y000000000028.cfg
@@ -980,8 +980,8 @@ phone_setting.backlight_time = {$yealink_backlight_time}
 ##                                   Wallpaper                                       ##
 #######################################################################################
 wallpaper_upload.url = {$yealink_t46g_wallpaper}
-{if isset($t46g_wallpaper_filename)}
-phone_setting.backgrounds =  Config:{$t46g_wallpaper_filename}
+{if isset($yealink_t46g_wallpaper_filename)}
+phone_setting.backgrounds =  Config:{$yealink_t46g_wallpaper_filename}
 {else}
 phone_setting.backgrounds =  Config:yealink_t46g_wallpaper.png
 {/if}