diff --git a/src/Symfony/Component/Inflector/Inflector.php b/src/Symfony/Component/Inflector/Inflector.php
index 58399b6322..167b33a110 100644
--- a/src/Symfony/Component/Inflector/Inflector.php
+++ b/src/Symfony/Component/Inflector/Inflector.php
@@ -284,6 +284,9 @@ final class Inflector
         // indices (index)
         ['xedni', 5, false, true, ['indicies', 'indexes']],
 
+        // boxes (box)
+        ['xo', 2, false, true, 'oxes'],
+
         // indexes (index), matrixes (matrix)
         ['x', 1, true, false, ['cies', 'xes']],
 
diff --git a/src/Symfony/Component/Inflector/Tests/InflectorTest.php b/src/Symfony/Component/Inflector/Tests/InflectorTest.php
index 38df846ba6..b82eb28db6 100644
--- a/src/Symfony/Component/Inflector/Tests/InflectorTest.php
+++ b/src/Symfony/Component/Inflector/Tests/InflectorTest.php
@@ -180,7 +180,7 @@ class InflectorTest extends TestCase
             ['batch', 'batches'],
             ['beau', ['beaus', 'beaux']],
             ['bee', 'bees'],
-            ['box', ['bocies', 'boxes']],
+            ['box', 'boxes'],
             ['boy', 'boys'],
             ['bureau', ['bureaus', 'bureaux']],
             ['bus', 'buses'],