diff --git a/classes/Locale.php b/classes/Locale.php
index 72e84e6..081e215 100644
--- a/classes/Locale.php
+++ b/classes/Locale.php
@@ -51,13 +51,11 @@ class Locale
     /**
      * Get the full name of the locale.
      *
-     * @param Locale $displayLocale Locale to get the name in
-     *
      * @return string
      */
-    public function getFullName(Locale $displayLocale)
+    public function getFullName()
     {
-        return \Locale::getDisplayName($this->getIso15897(), $displayLocale->getIso15897());
+        return \Locale::getDisplayName($this->getIso15897(), $this->getIso15897());
     }
 
     /**
diff --git a/templates/inc/header.tpl b/templates/inc/header.tpl
index 71f24d2..fe57900 100644
--- a/templates/inc/header.tpl
+++ b/templates/inc/header.tpl
@@ -7,7 +7,7 @@
     <ul class="locales">
         {if isset($locales)}
             {foreach $locales as $supportedLocale}
-                <li><a href="{path_for name='locale' data=['locale'=>$supportedLocale->getIso15897()]}"><span class="flag-icon flag-icon-{$supportedLocale->getIso3166()}"></span> {$supportedLocale->getFullName($locale)}</a></li>
+                <li><a href="{path_for name='locale' data=['locale'=>$supportedLocale->getIso15897()]}"><span class="flag-icon flag-icon-{$supportedLocale->getIso3166()}"></span> {$supportedLocale->getFullName()}</a></li>
             {/foreach}
         {/if}
     </ul>