diff --git a/ecrire/inc_install.php b/ecrire/inc_install.php
index fe3709cd92c6207bd0f5314586088040ec1e10cb..c54e5c9e04487b15c4263c3299ef20862518f6e2 100644
--- a/ecrire/inc_install.php
+++ b/ecrire/inc_install.php
@@ -149,8 +149,8 @@ function install_6()
 	include_ecrire ("inc_acces");
 	ecrire_acces();
 
-	@unlink(_DIR_SESSIONS . http_php_script('inc_meta_cache'));
-	@unlink(_DIR_SESSIONS . http_php_script('meta_cache'));
+	@unlink(_DIR_SESSIONS . 'inc_meta_cache' .  _EXTENSION_PHP);
+	@unlink(_DIR_SESSIONS . 'meta_cache.txt');
 	if (!@rename(_FILE_CONNECT_INS . _FILE_TMP . _EXTENSION_PHP,
 		    _FILE_CONNECT_INS . _EXTENSION_PHP)) {
 		copy(_FILE_CONNECT_INS . _FILE_TMP . _EXTENSION_PHP,