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-rw-r--r--system/database/DB_driver.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index c397bb723..635048071 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -142,7 +142,7 @@ abstract class CI_DB_driver {
*
* @var int
*/
- public $port = '';
+ public $port = NULL;
/**
* Persistent connection flag