diff --git a/resources/templates/provision/yealink/t31g/y000000000000.boot b/resources/templates/provision/yealink/t31g/y000000000000.boot
index 8b13789179..40e10b1e07 100644
--- a/resources/templates/provision/yealink/t31g/y000000000000.boot
+++ b/resources/templates/provision/yealink/t31g/y000000000000.boot
@@ -1 +1,7 @@
+#!version:1.0.0.1
+## The header above must appear as-is in the first line
 
+include:config "y000000000123.cfg"
+include:config "{$mac}.cfg"
+
+overwrite_mode = {$yealink_overwrite_mode}