diff --git a/ecrire/inc_version.php b/ecrire/inc_version.php
index 84024421c7c7eb71f8463e9b3cbef86361e97814..69ce3f0cfb7154000e0f0625c99898178b11be53 100644
--- a/ecrire/inc_version.php
+++ b/ecrire/inc_version.php
@@ -148,6 +148,15 @@ if (!defined('_IS_BOT')) {
 	);
 }
 
+if (!defined('_IS_CLI')) {
+	define('_IS_CLI',
+	  !isset($_SERVER['HTTP_HOST'])
+	  and !strlen($_SERVER['DOCUMENT_ROOT'])
+	  and !empty($_SERVER['argv'])
+	  and empty($_SERVER['REQUEST_METHOD'])
+	);
+}
+
 // *** Parametrage par defaut de SPIP ***
 //
 // Les globales qui suivent peuvent etre modifiees