diff --git a/phpBB/includes/acp/acp_styles.php b/phpBB/includes/acp/acp_styles.php
index d33be274b4..de1f678e38 100644
--- a/phpBB/includes/acp/acp_styles.php
+++ b/phpBB/includes/acp/acp_styles.php
@@ -1056,7 +1056,7 @@ class acp_styles
 	*/
 	protected function read_style_cfg($dir)
 	{
-		static $required = array('name', 'version', 'copyright');
+		static $required = array('name', 'phpbb_version', 'copyright');
 		$cfg = parse_cfg_file($this->styles_path . $dir . '/style.cfg');
 
 		// Check if it is a valid file