diff --git a/common.php b/common.php
index a43dd29f..9a8f2231 100644
--- a/common.php
+++ b/common.php
@@ -29,7 +29,7 @@ if(!is_file("$incpath/config.inc.php")) {
 require_once("$incpath/config.inc.php");
 if(isset($CONF['configured'])) {
     if($CONF['configured'] == FALSE) {
-        headeR("Location: setup.php");
+        header("Location: setup.php");
         exit(0);
     }
 }