diff --git a/resources/templates/provision/snom/820/{$mac}.xml b/resources/templates/provision/snom/820/{$mac}.xml
index 0dc19d9e4f..e64690fe58 100644
--- a/resources/templates/provision/snom/820/{$mac}.xml
+++ b/resources/templates/provision/snom/820/{$mac}.xml
@@ -1,7 +1,7 @@
 <settings>
 <phone-settings>
 <update_policy>auto_update</update_policy>
-<firmware_status>http://{$domain_name}{$project_path}/app/provision/?mac={$mac}&amp;filename_firmware-{mac}.xml</firmware_status>
+<firmware_status>http://{$domain_name}{$project_path}/app/provision/?mac={$mac}&amp;filename_firmware-{$mac}.xml</firmware_status>
 <date_us_format>off</date_us_format>
 <time_24_format>on</time_24_format>
 <challenge_response>off</challenge_response>