diff --git a/app/extensions/extensions.php b/app/extensions/extensions.php
index 838da93b2d..17ad8a9303 100644
--- a/app/extensions/extensions.php
+++ b/app/extensions/extensions.php
@@ -141,7 +141,7 @@
 	$sql .= "( ";
 	$sql .= "	select device_uuid ";
 	$sql .= "	from v_device_lines ";
-	$sql .= "	where extension_uuid = e.extension_uuid ";
+	$sql .= "	where domain_uuid = e.domain_uuid ";
 	$sql .= "	and user_id = e.extension ";
 	$sql .= "	limit 1 ";
 	$sql .= ") AS device_uuid, ";
@@ -443,4 +443,4 @@
 //show the footer
 	require_once "resources/footer.php";
 
-?>
\ No newline at end of file
+?>