diff --git a/resources/templates/provision/yealink/t46s/y000000000066.cfg b/resources/templates/provision/yealink/t46s/y000000000066.cfg
index f7f9ac54b7..8b891ab345 100644
--- a/resources/templates/provision/yealink/t46s/y000000000066.cfg
+++ b/resources/templates/provision/yealink/t46s/y000000000066.cfg
@@ -1432,7 +1432,11 @@ features.power_saving.intelligent_mode=
 ##2MB of space should bereserved for the phone
 
 wallpaper_upload.url = {$yealink_t46s_wallpaper}
-phone_setting.backgrounds=
+{if isset($yealink_t46s_wallpaper_filename)}
+phone_setting.backgrounds =  Config:{$yealink_t46s_wallpaper_filename}
+{else}
+phone_setting.backgrounds =  Config:yealink_t46s_wallpaper.png
+{/if}
 
 ## phone_setting.backgrounds_with_dsskey_unfold(Only support T48G/S)
 phone_setting.backgrounds_with_dsskey_unfold=