diff --git a/src/Service/KMLFileImporter.php b/src/Service/KMLFileImporter.php
index 9e996230..ac040c35 100644
--- a/src/Service/KMLFileImporter.php
+++ b/src/Service/KMLFileImporter.php
@@ -6,7 +6,7 @@ use XMLReader;
 
 use App\Entity\SupportedArea;
 
-use Doctrine\Common\Persistence\ObjectManager;
+use Doctrine\ORM\EntityManagerInterface;
 
 use CrEOF\Spatial\PHP\Types\Geometry\Polygon;
 use CrEOF\Spatial\PHP\Types\Geometry\Point;
@@ -16,7 +16,7 @@ class KMLFileImporter
 {
     protected $em;
 
-    public function __construct(ObjectManager $em)
+    public function __construct(EntityManagerInterface $em)
     {
         $this->em = $em;
     }