diff --git a/common.php b/common.php
index fcc0a480..20114f05 100644
--- a/common.php
+++ b/common.php
@@ -26,6 +26,12 @@ if(!is_file("$incpath/config.inc.php")) {
     header("Location: setup.php");    
     exit(0);
 }
+if(isset($CONF['configured'])) {
+    if($CONF['configured'] == FALSE) {
+        headeR("Location: setup.php");
+        exit(0);
+    }
+}
 require_once("$incpath/config.inc.php");
 require_once("$incpath/functions.inc.php");
 require_once("$incpath/languages/" . check_language () . ".lang");