diff --git a/DependencyInjection/Compiler/FormTwigTemplateCompilerPass.php b/DependencyInjection/Compiler/FormTwigTemplateCompilerPass.php
index ba6a0076..58c4d80c 100644
--- a/DependencyInjection/Compiler/FormTwigTemplateCompilerPass.php
+++ b/DependencyInjection/Compiler/FormTwigTemplateCompilerPass.php
@@ -19,9 +19,6 @@
  */
 class FormTwigTemplateCompilerPass implements CompilerPassInterface
 {
-    private $telLayout = '@MisdPhoneNumber/Form/tel.html.twig';
-    private $telBootstrapLayout = '@MisdPhoneNumber/Form/tel_bootstrap.html.twig';
-
     /**
      * {@inheritdoc}
      */
@@ -32,21 +29,27 @@ public function process(ContainerBuilder $container)
         }
 
         $parameter = $container->getParameter('twig.form.resources');
+        $template = $container->getParameter('phone_number.template');
 
-        if (in_array($this->telLayout, $parameter)) {
+        if (in_array($template, $parameter)) {
             return;
         }
 
+
         // Insert right after base template if it exists.
         if (($key = array_search('bootstrap_3_horizontal_layout.html.twig', $parameter)) !== false) {
-            array_splice($parameter, ++$key, 0, array($this->telBootstrapLayout));
+            array_splice($parameter, ++$key, 0, array($template));
         } elseif (($key = array_search('bootstrap_3_layout.html.twig', $parameter)) !== false) {
-            array_splice($parameter, ++$key, 0, array($this->telBootstrapLayout));
+            array_splice($parameter, ++$key, 0, array($template));
+        } elseif (($key = array_search('bootstrap_4_layout.html.twig', $parameter)) !== false) {
+            array_splice($parameter, ++$key, 0, array($template));
+        } elseif (($key = array_search('bootstrap_4_horizontal_layout.html.twig', $parameter)) !== false) {
+            array_splice($parameter, ++$key, 0, array($template));
         } elseif (($key = array_search('form_div_layout.html.twig', $parameter)) !== false) {
-            array_splice($parameter, ++$key, 0, array($this->telLayout));
+            array_splice($parameter, ++$key, 0, array($template));
         } else {
             // Put it in first position.
-            array_unshift($parameter, array($this->telLayout));
+            array_unshift($parameter, $template);
         }
 
         $container->setParameter('twig.form.resources', $parameter);
diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
new file mode 100644
index 00000000..a65cc455
--- /dev/null
+++ b/DependencyInjection/Configuration.php
@@ -0,0 +1,37 @@
+<?php
+/**
+ * Created by dTatham
+ * Date: 02.12.17
+ * Time: 21:50
+ */
+
+namespace Misd\PhoneNumberBundle\DependencyInjection;
+
+
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+use Symfony\Component\Config\Definition\ConfigurationInterface;
+
+class Configuration implements ConfigurationInterface
+{
+
+    /**
+     * Generates the configuration tree builder.
+     *
+     * @return \Symfony\Component\Config\Definition\Builder\TreeBuilder The tree builder
+     */
+    public function getConfigTreeBuilder()
+    {
+        $builder = new TreeBuilder();
+
+        $builder
+            ->root('misd_phone_number')
+            ->addDefaultsIfNotSet()
+            ->children()
+            ->scalarNode('template')
+            ->defaultValue('@MisdPhoneNumberBundle/Form/tel.html.twig')
+            ->end()
+            ->end();
+
+        return $builder;
+    }
+}
diff --git a/DependencyInjection/MisdPhoneNumberExtension.php b/DependencyInjection/MisdPhoneNumberExtension.php
index b8feb8f5..73c217b4 100644
--- a/DependencyInjection/MisdPhoneNumberExtension.php
+++ b/DependencyInjection/MisdPhoneNumberExtension.php
@@ -11,6 +11,7 @@
 
 namespace Misd\PhoneNumberBundle\DependencyInjection;
 
+use Symfony\Component\Config\Definition\Processor;
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Definition;
@@ -28,6 +29,8 @@ class MisdPhoneNumberExtension extends Extension
      */
     public function load(array $configs, ContainerBuilder $container)
     {
+        $processor = new Processor();
+
         $loader = new XmlFileLoader($container, new FileLocator(__DIR__ . '/../Resources/config'));
         $loader->load('services.xml');
 
@@ -36,6 +39,12 @@ public function load(array $configs, ContainerBuilder $container)
         $this->setFactory($container->getDefinition('libphonenumber.short_number_info'));
         $this->setFactory($container->getDefinition('libphonenumber.phone_number_to_carrier_mapper'));
         $this->setFactory($container->getDefinition('libphonenumber.phone_number_to_time_zones_mapper'));
+
+        $configuration = new Configuration();
+        $config = $processor->processConfiguration($configuration, $configs);
+
+        $container->setParameter('phone_number.template', $config['template']);
+
     }
 
     /**