diff --git a/system/core/Input.php b/system/core/Input.php
index d7cd292..af4f87c 100644
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -359,7 +359,7 @@
 	 * @param	bool		$httponly	Whether to only makes the cookie accessible via HTTP (no javascript)
 	 * @return	void
 	 */
-	public function set_cookie($name, $value = '', $expire = '', $domain = '', $path = '/', $prefix = '', $secure = FALSE, $httponly = FALSE)
+	public function set_cookie($name, $value = '', $expire = '', $domain = '', $path = '/', $prefix = '', $secure = NULL, $httponly = NULL)
 	{
 		if (is_array($name))
 		{
@@ -388,15 +388,13 @@
 			$path = config_item('cookie_path');
 		}
 
-		if ($secure === FALSE && config_item('cookie_secure') === TRUE)
-		{
-			$secure = config_item('cookie_secure');
-		}
+		$secure = ($secure === NULL && config_item('cookie_secure') !== NULL)
+			? (bool) config_item('cookie_secure')
+			: (bool) $secure;
 
-		if ($httponly === FALSE && config_item('cookie_httponly') !== FALSE)
-		{
-			$httponly = config_item('cookie_httponly');
-		}
+		$httponly = ($httponly === NULL && config_item('cookie_httponly') !== NULL)
+			? (bool) config_item('cookie_httponly')
+			: (bool) $httponly;
 
 		if ( ! is_numeric($expire))
 		{
diff --git a/system/helpers/cookie_helper.php b/system/helpers/cookie_helper.php
index bb90cba..b943edb 100644
--- a/system/helpers/cookie_helper.php
+++ b/system/helpers/cookie_helper.php
@@ -67,7 +67,7 @@
 	 * @param	bool	true makes the cookie accessible via http(s) only (no javascript)
 	 * @return	void
 	 */
-	function set_cookie($name, $value = '', $expire = '', $domain = '', $path = '/', $prefix = '', $secure = FALSE, $httponly = FALSE)
+	function set_cookie($name, $value = '', $expire = '', $domain = '', $path = '/', $prefix = '', $secure = NULL, $httponly = NULL)
 	{
 		// Set the config file options
 		get_instance()->input->set_cookie($name, $value, $expire, $domain, $path, $prefix, $secure, $httponly);
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index b1dadb1..28a8621 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -30,6 +30,7 @@
 -  Fixed a bug where :doc:`Session Library <libraries/sessions>` didn't read session data in a byte-safe manner when ``mbstring.func_overload`` is enabled.
 -  Fixed a bug (#4990) - :doc:`Profiler <general/profiling>` didn't close ``<pre>`` tags it generated.
 -  Fixed a bug (#4990) - :doc:`Profiler <general/profiling>` didn't HTML-escape quotes for ``$_SESSION`` variables.
+-  Fixed a bug where :doc:`Input Library <libraries/input>` method ``set_cookie()`` didn't allow its *httponly* and *secure* parameters to be overriden to ``FALSE``.
 
 Version 3.1.3
 =============
diff --git a/user_guide_src/source/helpers/cookie_helper.rst b/user_guide_src/source/helpers/cookie_helper.rst
index c9d2f41..2ad51e7 100644
--- a/user_guide_src/source/helpers/cookie_helper.rst
+++ b/user_guide_src/source/helpers/cookie_helper.rst
@@ -25,7 +25,7 @@
 The following functions are available:
 
 
-.. php:function:: set_cookie($name[, $value = ''[, $expire = ''[, $domain = ''[, $path = '/'[, $prefix = ''[, $secure = FALSE[, $httponly = FALSE]]]]]]])
+.. php:function:: set_cookie($name[, $value = ''[, $expire = ''[, $domain = ''[, $path = '/'[, $prefix = ''[, $secure = NULL[, $httponly = NULL]]]]]]])
 
 	:param	mixed	$name: Cookie name *or* associative array of all of the parameters available to this function
 	:param	string	$value: Cookie value
diff --git a/user_guide_src/source/libraries/input.rst b/user_guide_src/source/libraries/input.rst
index 01099a9..e7107fa 100644
--- a/user_guide_src/source/libraries/input.rst
+++ b/user_guide_src/source/libraries/input.rst
@@ -285,7 +285,7 @@
 		This method is identical to ``get()``, ``post()`` and ``cookie()``,
 		only it fetches the *php://input* stream data.
 
-	.. php:method:: set_cookie($name = ''[, $value = ''[, $expire = ''[, $domain = ''[, $path = '/'[, $prefix = ''[, $secure = FALSE[, $httponly = FALSE]]]]]]])
+	.. php:method:: set_cookie($name = ''[, $value = ''[, $expire = ''[, $domain = ''[, $path = '/'[, $prefix = ''[, $secure = NULL[, $httponly = NULL]]]]]]])
 
 		:param	mixed	$name: Cookie name or an array of parameters
 		:param	string	$value: Cookie value
@@ -338,8 +338,8 @@
 		The prefix is only needed if you need to avoid name collisions with
 		other identically named cookies for your server.
 
-		The secure boolean is only needed if you want to make it a secure cookie
-		by setting it to TRUE.
+		The *httponly* and *secure* flags, when omitted, will default to your
+		``$config['cookie_httponly']`` and ``$config['cookie_secure']`` settings.
 
 		**Discrete Parameters**