diff --git a/resources/templates/provision/fanvil/x6/{$mac}.cfg b/resources/templates/provision/fanvil/x6/{$mac}.cfg
index 5f577a8ab4..352bd9f551 100644
--- a/resources/templates/provision/fanvil/x6/{$mac}.cfg
+++ b/resources/templates/provision/fanvil/x6/{$mac}.cfg
@@ -1568,7 +1568,7 @@
         <CheckFailTimes>1</CheckFailTimes>
         <FlashServerIP>https://{$domain_name}/app/provision</FlashServerIP>
         <FlashFileName></FlashFileName>
-        <FlashProtocol>4</FlashProtocol>
+        <FlashProtocol>5</FlashProtocol>
         <FlashMode>1</FlashMode>
         <FlashInterval>1</FlashInterval>
         <updatePBInterval>720</updatePBInterval>