diff --git a/resources/templates/provision/grandstream/grp2612/{$mac}.xml b/resources/templates/provision/grandstream/grp2612/{$mac}.xml
index 228d1f35b6..b32a67d986 100644
--- a/resources/templates/provision/grandstream/grp2612/{$mac}.xml
+++ b/resources/templates/provision/grandstream/grp2612/{$mac}.xml
@@ -3486,7 +3486,7 @@
{if $grandstream_call_waiting_ring == "0"} 0{/if}
{if $grandstream_call_waiting_ring == "1"} 1{/if}
{else}
-1
+1
{/if}