diff --git a/index.php b/index.php
index 7b2781f..1babe95 100644
--- a/index.php
+++ b/index.php
@@ -82,6 +82,8 @@ if (!is_writable(realpath(dirname(__FILE__)))) die('<pre>ERROR: Shaarli does not
 if (!is_dir($GLOBALS['config']['DATADIR'])) { mkdir($GLOBALS['config']['DATADIR'],0705); chmod($GLOBALS['config']['DATADIR'],0705); }
 if (!is_dir('tmp')) { mkdir('tmp',0705); chmod('tmp',0705); } // For RainTPL temporary files.
 if (!is_file($GLOBALS['config']['DATADIR'].'/.htaccess')) { file_put_contents($GLOBALS['config']['DATADIR'].'/.htaccess',"Allow from none\nDeny from all\n"); } // Protect data files.
+// Second check to see if Shaarli can write in its directory, because on some hosts is_writable() is not reliable.
+if (!is_file($GLOBALS['config']['DATADIR'].'/.htaccess')) die('<pre>ERROR: Shaarli does not have the right to write in its own directory ('.realpath(dirname(__FILE__)).').</pre>');
 if ($GLOBALS['config']['ENABLE_LOCALCACHE'])
 {
     if (!is_dir($GLOBALS['config']['CACHEDIR'])) { mkdir($GLOBALS['config']['CACHEDIR'],0705); chmod($GLOBALS['config']['CACHEDIR'],0705); }