diff --git a/includes/defaults.inc.php b/includes/defaults.inc.php
index 1f095dd100..74946c8634 100644
--- a/includes/defaults.inc.php
+++ b/includes/defaults.inc.php
@@ -32,6 +32,7 @@ $config['project_id']     = strtolower($config['project_name']);
 
 $config['temp_dir']      = "/tmp";
 $config['install_dir']   = "/opt/" . $config['project_id'];
+$config['log_dir']       = $config['install_dir'] . "/logs";
 
 // What is my own hostname (used to identify this host in its own database)
 $config['own_hostname'] = "localhost";