diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php
index fa89661..184a8df 100644
--- a/system/database/drivers/pdo/pdo_driver.php
+++ b/system/database/drivers/pdo/pdo_driver.php
@@ -69,7 +69,7 @@
 	{
 		parent::__construct($params);
 
-		if (preg_match('/([^;]+):/', $this->dsn, $match) && count($match) === 2)
+		if (preg_match('/([^:]+):/', $this->dsn, $match) && count($match) === 2)
 		{
 			// If there is a minimum valid dsn string pattern found, we're done
 			// This is for general PDO users, who tend to have a full DSN string.
@@ -77,7 +77,7 @@
 			return;
 		}
 		// Legacy support for DSN specified in the hostname field
-		elseif (preg_match('/([^;]+):/', $this->hostname, $match) && count($match) === 2)
+		elseif (preg_match('/([^:]+):/', $this->hostname, $match) && count($match) === 2)
 		{
 			$this->dsn = $this->hostname;
 			$this->hostname = NULL;