diff --git a/Grid/Export/ExcelExport.php b/Grid/Export/ExcelExport.php
index e4cd6be9..bc54250b 100644
--- a/Grid/Export/ExcelExport.php
+++ b/Grid/Export/ExcelExport.php
@@ -12,6 +12,8 @@
 
 namespace APY\DataGridBundle\Grid\Export;
 
+use APY\DataGridBundle\Grid\Grid;
+
 /**
  * Excel (This export produces a warning with new Office Excel).
  */
diff --git a/Grid/Export/JSONExport.php b/Grid/Export/JSONExport.php
index a393b71f..df6e30b7 100644
--- a/Grid/Export/JSONExport.php
+++ b/Grid/Export/JSONExport.php
@@ -12,6 +12,8 @@
 
 namespace APY\DataGridBundle\Grid\Export;
 
+use APY\DataGridBundle\Grid\Grid;
+
 /**
  * JSON.
  */
diff --git a/Grid/Export/XMLExport.php b/Grid/Export/XMLExport.php
index 803ef895..c11ed541 100644
--- a/Grid/Export/XMLExport.php
+++ b/Grid/Export/XMLExport.php
@@ -15,6 +15,7 @@
 use Symfony\Component\Serializer\Encoder\XmlEncoder;
 use Symfony\Component\Serializer\Normalizer\GetSetMethodNormalizer;
 use Symfony\Component\Serializer\Serializer;
+use APY\DataGridBundle\Grid\Grid;
 
 /**
  * XML.