diff --git a/src/Query/AbstractDriver.php b/src/Query/AbstractDriver.php
index d3a0ba4..3746b1e 100644
--- a/src/Query/AbstractDriver.php
+++ b/src/Query/AbstractDriver.php
@@ -584,7 +584,10 @@ abstract class AbstractDriver extends \PDO implements DriverInterface {
 	public function insert_batch($table, $data=array())
 	{
 		$first_row = current($data);
-		if ( ! is_array($first_row)) return NULL;
+		if ( ! is_array($first_row))
+		{
+			return NULL;
+		}
 
 		// Values for insertion
 		$vals = array();
diff --git a/src/Query/ConnectionManager.php b/src/Query/ConnectionManager.php
index 73ad086..a305179 100644
--- a/src/Query/ConnectionManager.php
+++ b/src/Query/ConnectionManager.php
@@ -221,7 +221,10 @@ final class ConnectionManager {
 	 */
 	private function create_dsn($dbtype, \stdClass $params)
 	{
-		if (strtolower($dbtype) === 'pdo_firebird') $dbtype = 'firebird';
+		if (strtolower($dbtype) === 'pdo_firebird')
+		{
+			$dbtype = 'firebird';
+		}
 
 		$pairs = array();
 
diff --git a/src/Query/Drivers/Firebird/Driver.php b/src/Query/Drivers/Firebird/Driver.php
index 4fac9e7..9e6b605 100644
--- a/src/Query/Drivers/Firebird/Driver.php
+++ b/src/Query/Drivers/Firebird/Driver.php
@@ -186,7 +186,10 @@ class Driver extends \Query\AbstractDriver {
 	public function query($sql = '')
 	{
 
-		if (empty($sql)) throw new \PDOException("Query method requires an sql query!", 0, NULL);
+		if (empty($sql))
+		{
+			throw new \PDOException("Query method requires an sql query!", 0, NULL);
+		}
 
 		$this->statement_link = (isset($this->trans))
 			? \fbird_query($this->trans, $sql)