diff --git a/content/century-21-calling.christmas.en.md b/content/century-21-calling.christmas.en.md
index fd580b43..c834206f 100644
--- a/content/century-21-calling.christmas.en.md
+++ b/content/century-21-calling.christmas.en.md
@@ -2,7 +2,7 @@ Title: Century 21 Calling -  I'd Buy That For A Dollar!
 Date: 2018-12-15
 Category: event
 lang: en
-slug: id-but-that-for-a-dollar
+Slug: id-but-that-for-a-dollar
 Event_start: 2018-12-15 20:00
 event_duration: 4h
 featured_image: /images/C212_shopping.jpg
diff --git a/content/century-21-calling.christmas.nl.md b/content/century-21-calling.christmas.nl.md
index a807578a..14448fcd 100644
--- a/content/century-21-calling.christmas.nl.md
+++ b/content/century-21-calling.christmas.nl.md
@@ -2,7 +2,7 @@ Title: Century 21 Calling - I'd Buy That For A Dollar!
 Date: 2018-12-15
 Category: event
 lang: nl
-slug: id-buy-that-for-a-dollar
+Slug: id-buy-that-for-a-dollar
 Event_start: 2018-12-15 20:00
 event_duration: 4h
 featured_image: /images/C212_shopping.jpg