diff --git a/system/core/Input.php b/system/core/Input.php
index dc7612e..cfbef94 100644
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -672,7 +672,7 @@
 	 */
 	public function is_cli_request()
 	{
-		return (bool) defined('STDIN');
+		return (php_sapi_name() == 'cli') or defined('STDIN');
 	}
 
 }
diff --git a/system/core/URI.php b/system/core/URI.php
index d565486..20f0f00 100644
--- a/system/core/URI.php
+++ b/system/core/URI.php
@@ -62,7 +62,7 @@
 		if (strtoupper($this->config->item('uri_protocol')) == 'AUTO')
 		{
 			// Is the request coming from the command line?
-			if (defined('STDIN'))
+			if (php_sapi_name() == 'cli' or defined('STDIN'))
 			{
 				$this->_set_uri_string($this->_parse_cli_args());
 				return;
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 6babdfa..a594b49 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -114,6 +114,7 @@
 	<li class="reactor">Fixed #378 Robots identified as regular browsers by the User Agent class.</li>
 	<li class="reactor">If a config class was loaded first then a library with the same name is loaded, the config would be ignored.</li>
 	<li class="reactor">Fixed a bug (Reactor #19) where 1) the 404_override route was being ignored in some cases, and 2) auto-loaded libraries were not available to the 404_override controller when a controller existed but the requested method did not.</li>
+	<li class="reactor">Replace checks for STDIN with php_sapi_name() == 'cli' which on the whole is more reliable. This should get parameters in crontab working.</li>
 </ul>
 
 <h2>Version 2.0.2</h2>