diff --git a/src/Symfony/Component/Translation/MessageSelector.php b/src/Symfony/Component/Translation/MessageSelector.php
index 24eb9ea3e2..0c8ff66a32 100644
--- a/src/Symfony/Component/Translation/MessageSelector.php
+++ b/src/Symfony/Component/Translation/MessageSelector.php
@@ -74,7 +74,7 @@ class MessageSelector
 
         $position = PluralizationRules::get($number, $locale);
         if (!isset($standardRules[$position])) {
-            throw new \InvalidArgumentException('Unable to choose a translation.');
+            throw new \InvalidArgumentException(sprintf('Unable to choose a translation for "%s" with locale "%s".', $message, $locale));
         }
 
         return $standardRules[$position];