diff --git a/README.md b/README.md
index 439e49c..cec746c 100755
--- a/README.md
+++ b/README.md
@@ -137,13 +137,13 @@ The following example will only assign a `someGroupEvent` to `groups` table seed
 artisan iseed users,groups --postrun=,someGroupEvent
 ```
 
-### indexed
-By using --indexed=0 the seed can be generated as a non-indexed array.
+### noindex
+By using --noindex the seed can be generated as a non-indexed array.
 The use case for this feature is when you need to merge two seed files.
 
 Example:
 ```
-artisan iseed users --indexed=0
+artisan iseed users --noindex
 ```
 
 ## Usage
diff --git a/src/Orangehill/Iseed/IseedCommand.php b/src/Orangehill/Iseed/IseedCommand.php
old mode 100644
new mode 100755
index 21e51c0..2d9e54d
--- a/src/Orangehill/Iseed/IseedCommand.php
+++ b/src/Orangehill/Iseed/IseedCommand.php
@@ -50,7 +50,7 @@ public function fire()
         $prerunEvents = explode(",", $this->option('prerun'));
         $postrunEvents = explode(",", $this->option('postrun'));
         $dumpAuto = intval($this->option('dumpauto'));
-        $indexed = boolval($this->option('indexed'));
+        $indexed = !$this->option('noindex');
 
         if ($chunkSize < 1) {
             $chunkSize = null;
@@ -139,7 +139,7 @@ protected function getOptions()
             array('prerun', null, InputOption::VALUE_OPTIONAL, 'prerun event name', null),
             array('postrun', null, InputOption::VALUE_OPTIONAL, 'postrun event name', null),
             array('dumpauto', null, InputOption::VALUE_OPTIONAL, 'run composer dump-autoload', true),
-            array('indexed', null, InputOption::VALUE_OPTIONAL, 'index items in the seed', true),
+            array('noindex', null, InputOption::VALUE_NONE, 'no indexing in the seed', null),
         );
     }