diff --git a/config.php b/config.php
index 52036c4..b35be42 100644
--- a/config.php
+++ b/config.php
@@ -94,6 +94,12 @@ class config
     // Create a conf where all the keys are defined. If the keys are already
     // define, use them, or use the default ones
     // Don't allow keys not defined in default ones
+    if (! is_array ($this->default[$param]))
+    {
+      if (! array_key_exists ($param, $conf))
+        return $this->default[$param];
+      return $conf[$param];
+    }
     foreach ($this->default[$param] as $key=>$val)
     {
       if ($key === "not configured")