diff --git a/src/main/java/de/siphalor/was/WhatAStorage.java b/src/main/java/de/siphalor/was/WhatAStorage.java
index 3cb2563..6eb7b37 100644
--- a/src/main/java/de/siphalor/was/WhatAStorage.java
+++ b/src/main/java/de/siphalor/was/WhatAStorage.java
@@ -243,8 +243,8 @@ public class WhatAStorage {
 	public String[] getLangs() {
 		return contentManager.getResources("lang", "properties").map(resource -> {
 			int index = resource.getId().lastIndexOf('.');
-			return resource.getId().substring(Math.max(index, 0));
-		}).toArray(String[]::new);
+			return resource.getId().substring(Math.max(index + 1, 0));
+		}).distinct().toArray(String[]::new);
 	}
 
 	/**