diff --git a/adminer/lang/de.inc.php b/adminer/lang/de.inc.php
index c932f077..00647c80 100644
--- a/adminer/lang/de.inc.php
+++ b/adminer/lang/de.inc.php
@@ -173,7 +173,7 @@ $translations = array(
 	'Data Free' => 'Freier Bereich',
 	'Collation' => 'Collation',
 	'Analyze' => 'Analysieren',
-	'Optimize' => 'Optimisieren',
+	'Optimize' => 'Optimieren',
 	'Check' => 'Prüfen',
 	'Repair' => 'Reparieren',
 	'Truncate' => 'Entleeren (truncate)',