diff --git a/src/Symfony/Component/Validator/Resources/translations/validators.pl.xlf b/src/Symfony/Component/Validator/Resources/translations/validators.pl.xlf
index 58c1389e22..26a4544def 100644
--- a/src/Symfony/Component/Validator/Resources/translations/validators.pl.xlf
+++ b/src/Symfony/Component/Validator/Resources/translations/validators.pl.xlf
@@ -302,6 +302,10 @@
                 <source>An empty file is not allowed.</source>
                 <target>Plik nie może być pusty.</target>
             </trans-unit>
+            <trans-unit id="79">
+                <source>The host could not be resolved.</source>
+                <target>Nazwa hosta nie została rozpoznana.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>