diff --git a/content/borrel2019_NL.md b/content/borrel2019_NL.md
index fcd3f96f..cedf5d01 100644
--- a/content/borrel2019_NL.md
+++ b/content/borrel2019_NL.md
@@ -1,5 +1,7 @@
 Title: Varia's Nieuwjaarsborrel
 Date: 2019-01-11
+Category: event
+slug: borrel
 lang: nl
 Event_start: 2019-01-11 19:30
 event_duration: 4h