diff --git a/Classes/Fusion/Implementation.php b/Classes/Fusion/Implementation.php
index 812db31..a2d7bd6 100644
--- a/Classes/Fusion/Implementation.php
+++ b/Classes/Fusion/Implementation.php
@@ -13,6 +13,12 @@
 
 class Implementation extends AbstractFusionObject
 {
+    /**
+     * @Flow\InjectConfiguration()
+     * @var array
+     */
+    protected $settings;
+
     /**
      * @Flow\Inject
      * @var Environment
@@ -84,6 +90,10 @@ public function evaluate()
 
         $language = str_replace('_', '-', strtolower($this->getLocale()));
 
+        if (isset($this->settings['mapping'][$language]) && is_string($this->settings['mapping'][$language])) {
+            $language = $this->settings['mapping'][$language];
+        }
+
         if (!$this->texFileExists($language)) {
             $firstPartOfLanguage = explode('-', $language)[0];
             if ($firstPartOfLanguage === $language) {
diff --git a/Configuration/Settings.Carbon.yaml b/Configuration/Settings.Carbon.yaml
new file mode 100755
index 0000000..6263579
--- /dev/null
+++ b/Configuration/Settings.Carbon.yaml
@@ -0,0 +1,6 @@
+Carbon:
+  Hyphen:
+    mapping:
+      en: en-gb
+      de-de: de
+      de-at: de
diff --git a/README.md b/README.md
index c4c8e9d..08b19bf 100755
--- a/README.md
+++ b/README.md
@@ -73,6 +73,19 @@ prototype(Foo.Bar:Component) {
 
 **throwException** (boolean, default = `true`) : Throw exception if no hyphen definition is found
 
+## Custom language mappings
+
+Probably you've got a language defined that is not available in syllable. For example, `en` is not available, but `en-gb` is. Because of that, you can map your language preset to another syllable language: Per default following settings are set in [Settings.Carbon.yaml]:
+
+```yaml
+Carbon:
+  Hyphen:
+    mapping:
+      en: en-gb
+      de-de: de
+      de-at: de
+```
+
 ## Credits
 
 This implementation was heavily inspired by [packagefactory/hyphenate].
@@ -89,4 +102,5 @@ This implementation was heavily inspired by [packagefactory/hyphenate].
 [subscription]: https://github.com/CarbonPackages/Carbon.Hyphen/subscription
 [phpsyllable]: https://github.com/vanderlee/phpSyllable
 [syllable languages]: https://github.com/vanderlee/phpSyllable/tree/master/languages
+[settings.carbon.yaml]: Configuration/Settings.Carbon.yaml
 [packagefactory/hyphenate]: https://github.com/PackageFactory/hyphenate