diff --git a/resources/templates/provision/yealink/t26p/y000000000004.cfg b/resources/templates/provision/yealink/t26p/y000000000004.cfg
index 0a676338d3..3e097cad9d 100644
--- a/resources/templates/provision/yealink/t26p/y000000000004.cfg
+++ b/resources/templates/provision/yealink/t26p/y000000000004.cfg
@@ -1296,12 +1296,18 @@ directory_setting.url = https://{if isset($http_auth_username)}{$http_auth_usern
 #######################################################################################
 ##            Configure the access URL of the  Wallpaper                             ##
 #######################################################################################
+
 wallpaper_upload.url = {$yealink_t26p_wallpaper}
+{if isset($yealink_t26p_wallpaper_filename)}
+phone_setting.backgrounds =  Config:{$yealink_t26p_wallpaper_filename}
+{else}
+phone_setting.backgrounds =  Config:yealink_t26p_wallpaper.png
+{/if}
 
 #Configure the phone background.
 #If you set the custom image (new.png) as phone backgroup, the value is: phone_setting.backgrounds = Config:new.png
 #If you set the system image (pictures(01).png) as phone backgroup, the value is: phone_setting.backgrounds = Resource:pictures(01).png
-phone_setting.backgrounds =  Config:yealink_t26p_wallpaper.png
+#phone_setting.backgrounds =  Config:yealink_t26p_wallpaper.png
 
 #######################################################################################
 ##     Configure the access URL of the Screensaver                                   ##