diff --git a/phpBB/includes/acp/acp_update.php b/phpBB/includes/acp/acp_update.php
index 5d3e9abcea..87d5c51b56 100644
--- a/phpBB/includes/acp/acp_update.php
+++ b/phpBB/includes/acp/acp_update.php
@@ -34,10 +34,7 @@ class acp_update
 		$this->page_title = 'ACP_VERSION_CHECK';
 
 		// Get current and latest version
-		$errstr = '';
-		$errno = 0;
-
-		$info = obtain_latest_version_info(request_var('versioncheck_force', false));
+		$info = htmlspecialchars(obtain_latest_version_info(request_var('versioncheck_force', false)));
 
 		if (empty($info))
 		{