diff --git a/lib/Doctrine/Inflector/Rules/English/Inflectible.php b/lib/Doctrine/Inflector/Rules/English/Inflectible.php
index ee3bae6..04b6d00 100644
--- a/lib/Doctrine/Inflector/Rules/English/Inflectible.php
+++ b/lib/Doctrine/Inflector/Rules/English/Inflectible.php
@@ -93,6 +93,7 @@ public static function getPlural(): iterable
     public static function getIrregular(): iterable
     {
         yield new Substitution(new Word('atlas'), new Word('atlases'));
+        yield new Substitution(new Word('axis'), new Word('axes'));
         yield new Substitution(new Word('axe'), new Word('axes'));
         yield new Substitution(new Word('beef'), new Word('beefs'));
         yield new Substitution(new Word('blouse'), new Word('blouses'));
diff --git a/tests/Doctrine/Tests/Inflector/Rules/English/EnglishFunctionalTest.php b/tests/Doctrine/Tests/Inflector/Rules/English/EnglishFunctionalTest.php
index 7f9d346..19df9e4 100644
--- a/tests/Doctrine/Tests/Inflector/Rules/English/EnglishFunctionalTest.php
+++ b/tests/Doctrine/Tests/Inflector/Rules/English/EnglishFunctionalTest.php
@@ -390,6 +390,7 @@ public function dataSingularsUninflectedWhenSingularized(): array
             ['fascia', 'fascium'],
             ['status', 'statu'],
             ['campus', 'campu'],
+            ['axis', 'axes'],
         ];
     }