diff --git a/check_setup.php b/check_setup.php
index 6d3e092..1b3db7b 100644
--- a/check_setup.php
+++ b/check_setup.php
@@ -1,6 +1,6 @@
 <?php
 
-// PHP 5.3.7 minimum
+// PHP 5.3.3 minimum
 if (version_compare(PHP_VERSION, '5.3.3', '<')) {
     die('This software require PHP 5.3.3 minimum');
 }
@@ -42,11 +42,16 @@ if (! extension_loaded('pdo_sqlite')) {
     die('PHP extension required: pdo_sqlite');
 }
 
-// Check extension: mbstring
+// Check extension: mbstring (simpleValidator)
 if (! extension_loaded('mbstring')) {
     die('PHP extension required: mbstring');
 }
 
+// Check extension: iconv (picoFeed)
+if (! extension_loaded('iconv')) {
+    die('PHP extension required: iconv');
+}
+
 // Check for curl
 if (! function_exists('curl_init') && ! ini_get('allow_url_fopen')) {
     die('You must have "allow_url_fopen=On" or curl extension installed');