diff --git a/common/defaults/config.php b/common/defaults/config.php
index 7972452de..bbcb6c1b3 100644
--- a/common/defaults/config.php
+++ b/common/defaults/config.php
@@ -21,6 +21,9 @@ return array(
 		),
 	),
 	'cache' => array(
+		'type' => null,
+		'ttl' => 86400,
+		'servers' => array(),
 		'truncate_method' => 'delete',
 	),
 	'ftp' => array(
diff --git a/modules/install/install.controller.php b/modules/install/install.controller.php
index 6d62d5578..558aea2fe 100644
--- a/modules/install/install.controller.php
+++ b/modules/install/install.controller.php
@@ -252,6 +252,12 @@ class installController extends install
 			Rhymix\Framework\Config::set('lock.allow', array('127.0.0.1', $user_ip_range));
 		}
 		
+		// Use APC cache if available.
+		if (function_exists('apcu_exists'))
+		{
+			Rhymix\Framework\Config::set('cache.type', 'apc');
+		}
+		
 		// Save the new configuration.
 		Rhymix\Framework\Config::save();