diff --git a/src/Connectors/MysqlConnector.php b/src/Connectors/MysqlConnector.php
index efd7f1d..78332e8 100644
--- a/src/Connectors/MysqlConnector.php
+++ b/src/Connectors/MysqlConnector.php
@@ -20,11 +20,12 @@ class MysqlConnector implements ConnectorInterface{
     /**
      * The default PDO connection options.
      *
+     * PDO::ATTR_CASE => PDO::CASE_NATURAL
      * @var array
      */
     private static $options = [
         PDO::ATTR_PERSISTENT => true,
-        PDO::ATTR_CASE => PDO::CASE_NATURAL,
+        PDO::ATTR_CASE => PDO::CASE_LOWER,
         PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
         PDO::ATTR_EMULATE_PREPARES => false,
         PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
diff --git a/src/Connectors/PostgresConnector.php b/src/Connectors/PostgresConnector.php
index 9eaf93c..48c08e2 100644
--- a/src/Connectors/PostgresConnector.php
+++ b/src/Connectors/PostgresConnector.php
@@ -23,7 +23,7 @@ class PostgresConnector
      * @var array
      */
     protected $options = [
-        PDO::ATTR_CASE => PDO::CASE_NATURAL,
+        PDO::ATTR_CASE => PDO::CASE_LOWER,
         PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
         PDO::ATTR_ORACLE_NULLS => PDO::NULL_NATURAL,
         PDO::ATTR_STRINGIFY_FETCHES => false,