diff --git a/lib/Doctrine/DBAL/Connections/MasterSlaveConnection.php b/lib/Doctrine/DBAL/Connections/MasterSlaveConnection.php
index 8bb80efeb1c..e3917c968d8 100644
--- a/lib/Doctrine/DBAL/Connections/MasterSlaveConnection.php
+++ b/lib/Doctrine/DBAL/Connections/MasterSlaveConnection.php
@@ -80,7 +80,7 @@
  * @author Lars Strojny <lstrojny@php.net>
  * @author Benjamin Eberlei <kontakt@beberlei.de>
  */
-class MasterSlaveConnection extends Connection
+class MasterSlaveConnection extends Connection implements MasterSlaveConnectionInterface
 {
     /**
      * Master and slave connection (one of the randomly picked slaves).
@@ -127,9 +127,7 @@ public function __construct(array $params, Driver $driver, Configuration $config
     }
 
     /**
-     * Checks if the connection is currently towards the master or not.
-     *
-     * @return boolean
+     * {@inheritdoc}
      */
     public function isConnectedToMaster()
     {
diff --git a/lib/Doctrine/DBAL/Connections/MasterSlaveConnectionInterface.php b/lib/Doctrine/DBAL/Connections/MasterSlaveConnectionInterface.php
new file mode 100644
index 00000000000..0940176831f
--- /dev/null
+++ b/lib/Doctrine/DBAL/Connections/MasterSlaveConnectionInterface.php
@@ -0,0 +1,37 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\DBAL\Connections;
+
+use Doctrine\DBAL\Driver\Connection;
+
+/**
+ * Class MasterSlaveConnectionInterface
+ * @package Doctrine\DBAL\Connections
+ * @author Tocila Ionut <alterg79@gmail.com>
+ */
+interface MasterSlaveConnectionInterface extends Connection
+{
+    /**
+     * Checks if the connection is currently towards the master or not.
+     *
+     * @return boolean
+     */
+    public function isConnectedToMaster();
+}
\ No newline at end of file