diff --git a/webmails/roundcube/config/config.inc.php b/webmails/roundcube/config/config.inc.php
index d5213b32..6e5ea0bd 100644
--- a/webmails/roundcube/config/config.inc.php
+++ b/webmails/roundcube/config/config.inc.php
@@ -4,7 +4,7 @@ $config = array();
 
 // Generals
 $config['db_dsnw'] = '{{ DB_DSNW }}';
-$config['temp_dir'] = '/tmp/';
+$config['temp_dir'] = '/dev/shm/';
 $config['des_key'] = '{{ SECRET_KEY }}';
 $config['cipher_method'] = 'AES-256-CBC';
 $config['identities_level'] = 0;