diff --git a/resources/templates/provision/grandstream/gxp2170/{$mac}.xml b/resources/templates/provision/grandstream/gxp2170/{$mac}.xml
index 89894ade26..54c275e316 100644
--- a/resources/templates/provision/grandstream/gxp2170/{$mac}.xml
+++ b/resources/templates/provision/grandstream/gxp2170/{$mac}.xml
@@ -6109,7 +6109,7 @@
 {if isset($admin_password)}
     <P2>{$admin_password}</P2>
 {else}
-    <P2>adminadmin</P2>
+    <P2>{$mac|replace:'-':''}</P2>
 {/if}
 
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