diff --git a/htdocs/admin/dolistore/class/dolistore.class.php b/htdocs/admin/dolistore/class/dolistore.class.php
index 859b9140f86..553ce2e54e0 100644
--- a/htdocs/admin/dolistore/class/dolistore.class.php
+++ b/htdocs/admin/dolistore/class/dolistore.class.php
@@ -65,7 +65,7 @@ class Dolistore
 
 		$langtmp    = explode('_', $langs->defaultlang);
 		$lang       = $langtmp[0];
-		$lang_array = array('en'=>1, 'fr'=>2, 'es'=>3, 'it'=>4, 'de'=>5);	// Into table ps_lang of Prestashop - 1
+		$lang_array = array('en'=>0, 'fr'=>1, 'es'=>2, 'it'=>3, 'de'=>4);	// Into table ps_lang of Prestashop - 1
 		if (! in_array($lang, array_keys($lang_array))) $lang = 'en';
 		$this->lang = $lang_array[$lang];
 	}