diff --git a/system/libraries/User_agent.php b/system/libraries/User_agent.php
index c4e1159..60d1599 100644
--- a/system/libraries/User_agent.php
+++ b/system/libraries/User_agent.php
@@ -173,13 +173,11 @@
 	 */
 	public function __construct()
 	{
+		$this->_load_agent_file();
+
 		if (isset($_SERVER['HTTP_USER_AGENT']))
 		{
 			$this->agent = trim($_SERVER['HTTP_USER_AGENT']);
-		}
-
-		if ($this->agent !== NULL && $this->_load_agent_file())
-		{
 			$this->_compile_data();
 		}
 
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index a9cb450..ed6446b 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -41,6 +41,7 @@
 -  Fixed a bug (#4678) - :doc:`Database Forge <database/forge>` tried to use unsupported ``IF NOT EXISTS`` clause when creating tables on Oracle.
 -  Fixed a bug (#4691) - :doc:`File Uploading Library <libraries/file_uploading>` method ``data()`` returns wrong 'raw_name' when the filename extension is also contained in the raw filename.
 -  Fixed a bug (#4679) - :doc:`Input Library <libraries/input>` method ``ip_address()`` errors with a matching ``$config['proxy_ips']`` IPv6 address.
+-  Fixed a bug (#4695) - :doc:`User Agent Library <libraries/user_agent>` didn't load the *config/user_agents.php* file when there's no ``User-Agent`` HTTP request header.
 
 Version 3.0.6
 =============