diff --git a/setup/index.php b/setup/index.php
index fb9d5d6295..d8ed9b4a58 100644
--- a/setup/index.php
+++ b/setup/index.php
@@ -6,10 +6,10 @@ require_once('../application/utils.inc.php');
 require_once('../core/config.class.inc.php');
 require_once('../core/cmdbsource.class.inc.php');
 require_once('./setuppage.class.inc.php');
-define(TMP_CONFIG_FILE, '../tmp-config-itop.php');
-define(FINAL_CONFIG_FILE, '../config-itop.php');
-define(PHP_MIN_VERSION, '5.2.0');
-define(MYSQL_MIN_VERSION, '5.0.0');
+define('TMP_CONFIG_FILE', '../tmp-config-itop.php');
+define('FINAL_CONFIG_FILE', '../config-itop.php');
+define('PHP_MIN_VERSION', '5.2.0');
+define('MYSQL_MIN_VERSION', '5.0.0');
 
 $sOperation = Utils::ReadParam('operation', 'step1');
 $oP = new setup_web_page('iTop configuration wizard');
diff --git a/setup/setuppage.class.inc.php b/setup/setuppage.class.inc.php
index 64039013ee..9cec218db2 100644
--- a/setup/setuppage.class.inc.php
+++ b/setup/setuppage.class.inc.php
@@ -1,6 +1,7 @@
 <?php
 require_once("../application/nicewebpage.class.inc.php");
-define(INSTALL_LOG_FILE, '../setup.log');
+define('INSTALL_LOG_FILE', '../setup.log');
+
 /**
  * Web page used for displaying the login form
  */