Fix #4066
diff --git a/system/libraries/Cache/drivers/Cache_memcached.php b/system/libraries/Cache/drivers/Cache_memcached.php
index 111e210..59cf468 100644
--- a/system/libraries/Cache/drivers/Cache_memcached.php
+++ b/system/libraries/Cache/drivers/Cache_memcached.php
@@ -106,7 +106,7 @@
 		}
 		else
 		{
-			throw new RuntimeException('Cache: Failed to create Memcache(d) object; extension not loaded?');
+			log_message('error', 'Cache: Failed to create Memcache(d) object; extension not loaded?');
 		}
 
 		foreach ($this->_memcache_conf as $cache_server)
@@ -284,12 +284,6 @@
 	 */
 	public function is_supported()
 	{
-		if ( ! extension_loaded('memcached') && ! extension_loaded('memcache'))
-		{
-			log_message('debug', 'The Memcached Extension must be loaded to use Memcached Cache.');
-			return FALSE;
-		}
-
-		return TRUE;
+		return (extension_loaded('memcached') OR extension_loaded('memcache'));
 	}
 }