diff --git a/src/Database/ResultSet.php b/src/Database/ResultSet.php
index 1783bd945..04b5e2330 100644
--- a/src/Database/ResultSet.php
+++ b/src/Database/ResultSet.php
@@ -64,9 +64,15 @@ public function __construct(Connection $connection, $queryString, array $params)
 			if (substr($queryString, 0, 2) === '::') {
 				$connection->getPdo()->{substr($queryString, 2)}();
 			} elseif ($queryString !== NULL) {
+				static $types = array('boolean' => PDO::PARAM_BOOL, 'integer' => PDO::PARAM_INT,
+					'resource' => PDO::PARAM_LOB, 'NULL' => PDO::PARAM_NULL);
 				$this->pdoStatement = $connection->getPdo()->prepare($queryString);
+				foreach ($params as $key => $value) {
+					$type = gettype($value);
+					$this->pdoStatement->bindValue(is_int($key) ? $key + 1 : $key, $value, isset($types[$type]) ? $types[$type] : PDO::PARAM_STR);
+				}
 				$this->pdoStatement->setFetchMode(PDO::FETCH_ASSOC);
-				$this->pdoStatement->execute($params);
+				$this->pdoStatement->execute();
 			}
 		} catch (\PDOException $e) {
 			$e = $this->supplementalDriver->convertException($e);
diff --git a/tests/Database/ResultSet.parameters.mysql.phpt b/tests/Database/ResultSet.parameters.mysql.phpt
new file mode 100644
index 000000000..46c296a51
--- /dev/null
+++ b/tests/Database/ResultSet.parameters.mysql.phpt
@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * Test: Nette\Database\ResultSet parameters
+ * @dataProvider? databases.ini  mysql
+ */
+
+use Tester\Assert,
+	Nette\Utils\DateTime;
+
+require __DIR__ . '/connect.inc.php'; // create $connection
+
+$res = $connection->fetch('SELECT ? AS c1, ? AS c2, ? AS c3, ? as c4', fopen(__FILE__, 'r'), TRUE, NULL, 123);
+
+Assert::same(
+	array('c1' => file_get_contents(__FILE__), 'c2' => 1, 'c3' => NULL, 'c4' => 123),
+	(array) $res
+);
diff --git a/tests/Database/ResultSet.parameters.postgre.phpt b/tests/Database/ResultSet.parameters.postgre.phpt
new file mode 100644
index 000000000..afaef19f5
--- /dev/null
+++ b/tests/Database/ResultSet.parameters.postgre.phpt
@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * Test: Nette\Database\ResultSet parameters
+ * @dataProvider? databases.ini  postgresql
+ */
+
+use Tester\Assert,
+	Nette\Utils\DateTime;
+
+require __DIR__ . '/connect.inc.php'; // create $connection
+
+$res = $connection->fetch('SELECT ? AS c1, ? AS c2, ? AS c3', TRUE, NULL, 123);
+
+Assert::same(
+	array('c1' => TRUE, 'c2' => NULL, 'c3' => 123),
+	(array) $res
+);