diff --git a/resources/templates/provision/yealink/t38g/y000000000038.cfg b/resources/templates/provision/yealink/t38g/y000000000038.cfg
index c491f603f2..d911090797 100644
--- a/resources/templates/provision/yealink/t38g/y000000000038.cfg
+++ b/resources/templates/provision/yealink/t38g/y000000000038.cfg
@@ -1298,7 +1298,7 @@ directory_setting.url = https://{if isset($http_auth_username)}{$http_auth_usern
 #######################################################################################
 
 wallpaper_upload.url = {$yealink_t38g_wallpaper}
-{if isset($t38g_wallpaper_filename)}
+{if isset($yealink_t38g_wallpaper_filename)}
 phone_setting.backgrounds =  Config:{$yealink_t38g_wallpaper_filename}
 {else}
 phone_setting.backgrounds =  Config:yealink_t38g_wallpaper.png