diff --git a/src/AppBundle/Service/Loader/BaseLoader.php b/src/AppBundle/Service/Loader/BaseLoader.php
index b79ef1f..94f230e 100644
--- a/src/AppBundle/Service/Loader/BaseLoader.php
+++ b/src/AppBundle/Service/Loader/BaseLoader.php
@@ -52,6 +52,7 @@ abstract class BaseLoader
         $this->em = $em;
         $this->logger = $logger;
         $this->formatTransformer = new FormatTransformer();
+        $this->em->getConnection()->getConfiguration()->setSQLLogger(null);
     }
 
     public function setOutput(OutputInterface $output)
diff --git a/src/AppBundle/Service/Loader/ModelLoader.php b/src/AppBundle/Service/Loader/ModelLoader.php
index a4d84e8..2f9f701 100644
--- a/src/AppBundle/Service/Loader/ModelLoader.php
+++ b/src/AppBundle/Service/Loader/ModelLoader.php
@@ -164,7 +164,6 @@ class ModelLoader extends BaseLoader
 
         $index = 0;
         $connection = $this->em->getConnection();
-        $connection->getConfiguration()->setSQLLogger(null);
 
         foreach ($files as $file) {
             $this->progressBar->setMessage($file['basename']);
diff --git a/src/AppBundle/Service/Loader/RelationLoader.php b/src/AppBundle/Service/Loader/RelationLoader.php
index 6f9a753..0828e82 100644
--- a/src/AppBundle/Service/Loader/RelationLoader.php
+++ b/src/AppBundle/Service/Loader/RelationLoader.php
@@ -77,16 +77,19 @@ class RelationLoader extends BaseLoader
     private function loadPartRelation(Part $part)
     {
         $number = $part->getId();
+        // Find model by id or alias
         $model = $this->modelRepository->findOneByNumber($number);
         if (!$model) {
+            // Try to find relation from part_model.yml file
             $number = $this->relationMapper->find($this->getPrintedParentId($number), 'part_model');
+            // Find model by id or alias
             $model = $this->modelRepository->findOneByNumber($number);
 
             if (!$model) {
+                // If model not found, try to find by identical model name
                 $model = $this->modelRepository->findOneByName($part->getName());
             }
         }
-
         return $model;
     }