diff --git a/system/database/DB_cache.php b/system/database/DB_cache.php
index 86493e7..aee5ce6 100644
--- a/system/database/DB_cache.php
+++ b/system/database/DB_cache.php
@@ -171,7 +171,7 @@
 			$segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
 		}
 		
-		$dir_path = $this->CI->db->cachedir.md5($segment_one.'+'.$segment_two).'/';
+		$dir_path = $this->CI->db->cachedir.$segment_one.'+'.$segment_two.'/';
 		
 		delete_files($dir_path, TRUE);
 	}
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index 848d4f1..a24bd20 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -236,6 +236,7 @@
 			{
 				if (FALSE !== ($cache = $this->CACHE->read($sql)))
 				{
+					$this->load_rdriver();
 					return $cache;
 				}
 			}