diff --git a/htdocs/install/etape1.php b/htdocs/install/etape1.php
index efe95971578..27f433269d0 100644
--- a/htdocs/install/etape1.php
+++ b/htdocs/install/etape1.php
@@ -105,7 +105,6 @@ if ($_POST["action"] == "set")
 			fputs($fp,"\n");
 			fputs($fp,"#\n");
 			fputs($fp,"# File generated by Dolibarr installer on ".dolibarr_print_date(gmmktime(),''));
-			if (isset($_ENV["TZ"])) fputs($fp," (TZ=".$_ENV["TZ"].")");
 			fputs($fp,"\n");
 			fputs($fp,"#\n");
 			fputs($fp,"# Take a look at conf.php.example file for an example of conf.php file\n");