diff --git a/phpBB/adm/style/acp_board.html b/phpBB/adm/style/acp_board.html
index cd4c25a756..1a09c4eee6 100644
--- a/phpBB/adm/style/acp_board.html
+++ b/phpBB/adm/style/acp_board.html
@@ -34,7 +34,7 @@
 
 <!-- IF S_AUTH -->
 	<!-- BEGIN auth_tpl -->
-		<!-- INCLUDE {auth_tpl.template_file} -->
+		<!-- INCLUDE {auth_tpl.TEMPLATE_FILE} -->
 	<!-- END auth_tpl -->
 <!-- ENDIF -->
 
diff --git a/phpBB/includes/acp/acp_board.php b/phpBB/includes/acp/acp_board.php
index 5d824dea9e..9285608ae2 100644
--- a/phpBB/includes/acp/acp_board.php
+++ b/phpBB/includes/acp/acp_board.php
@@ -659,7 +659,7 @@ class acp_board
 				if ($auth_tpl)
 				{
 					$template->assign_block_vars('auth_tpl', array(
-						'template_file'	=> $auth_tpl,
+						'TEMPLATE_FILE'	=> $auth_tpl,
 					));
 				}
 			}