diff --git a/content/CLM-NL b/content/CLM-NL.md
similarity index 99%
rename from content/CLM-NL
rename to content/CLM-NL.md
index 8aac3b85..d4dec4ff 100644
--- a/content/CLM-NL
+++ b/content/CLM-NL.md
@@ -2,7 +2,7 @@ Title: Concert: CLM en Maria Violenza
 Date: 2018-03-31
 Category: concert
 slug: CLM-and-Violenza
-lang: en
+lang: nl
 Event_start: 2018-04-17 20:30
 event_duration: 3h
 featured_image: /images/CLM2.jpg