diff --git a/src/BeSimple/SoapBundle/Converter/XopIncludeTypeConverter.php b/src/BeSimple/SoapBundle/Converter/XopIncludeTypeConverter.php
index fc5a9da..b83e38d 100644
--- a/src/BeSimple/SoapBundle/Converter/XopIncludeTypeConverter.php
+++ b/src/BeSimple/SoapBundle/Converter/XopIncludeTypeConverter.php
@@ -13,6 +13,7 @@ namespace BeSimple\SoapBundle\Converter;
 use BeSimple\SoapBundle\Soap\SoapRequest;
 use BeSimple\SoapBundle\Soap\SoapResponse;
 use BeSimple\SoapBundle\Util\String;
+use BeSimple\SoapCommon\Converter\TypeConverterInterface;
 
 /**
  * @author Christian Kerl <christian-kerl@web.de>
@@ -52,4 +53,4 @@ class XopIncludeTypeConverter implements TypeConverterInterface
     {
         return $data;
     }
-}
\ No newline at end of file
+}