diff --git a/phpBB/install/install_install.php b/phpBB/install/install_install.php
index 9a09d1f7ba..e11a64c0bc 100755
--- a/phpBB/install/install_install.php
+++ b/phpBB/install/install_install.php
@@ -1287,7 +1287,7 @@ class install_install extends module
 				$sql = 'SELECT * FROM ' . MODULES_TABLE . " 
 					WHERE module_langname = 'ACP_MANAGE_USERS'
 					AND module_class = 'acp'";
-				$result = $db->sql_query_limit($sql,a);
+				$result = $db->sql_query_limit($sql, 1);
 				$module_data = $db->sql_fetchrow($result);
 				$db->sql_freeresult($result);