diff --git a/Resources/config/services.yml b/Resources/config/services.yml
index 5ef264e9..6d374777 100644
--- a/Resources/config/services.yml
+++ b/Resources/config/services.yml
@@ -32,7 +32,7 @@ services:
   php_translation.importer:
     public: true
     class: Translation\Bundle\Service\Importer
-    arguments: ["@php_translation.extractor", "@twig"]
+    arguments: ["@php_translation.extractor", "@twig", "%php_translation.default_locale%"]
 
   php_translation.cache_clearer:
     public: true
diff --git a/Service/Importer.php b/Service/Importer.php
index ad0287a0..1559dadc 100644
--- a/Service/Importer.php
+++ b/Service/Importer.php
@@ -44,14 +44,21 @@ final class Importer
      */
     private $twig;
 
+    /**
+     * @var string
+     */
+    private $defaultLocale;
+
     /**
      * @param Extractor         $extractor
      * @param \Twig_Environment $twig
+     * @param string            $defaultLocale
      */
-    public function __construct(Extractor $extractor, \Twig_Environment $twig)
+    public function __construct(Extractor $extractor, \Twig_Environment $twig, $defaultLocale)
     {
         $this->extractor = $extractor;
         $this->twig = $twig;
+        $this->defaultLocale = $defaultLocale;
     }
 
     /**
@@ -103,7 +110,7 @@ public function extractToCatalogues(Finder $finder, array $catalogues, array $co
                             $result->set($key, $newTranslation, $domain);
                             // We do not want "translation" key stored anywhere.
                             $meta->removeAllInCategory('translation');
-                        } elseif (null !== $newTranslation = $meta->getDesc()) {
+                        } elseif (null !== $newTranslation = $meta->getDesc() && $catalogue->getLocale() === $this->defaultLocale) {
                             $result->set($key, $newTranslation, $domain);
                         }
                     }