diff --git a/themes/nluug/layouts/calendar/single.html b/themes/nluug/layouts/calendar/single.html
index f745237..21a576d 100644
--- a/themes/nluug/layouts/calendar/single.html
+++ b/themes/nluug/layouts/calendar/single.html
@@ -5,7 +5,7 @@
     {{ $upcoming_events := .Site.Data.evenementen.kalender }}
     {{ $upcoming_events := sort $upcoming_events ".date_start" "asc" }}
     {{ range first 50 (where $upcoming_events "date_start" "gt" (dateFormat "2006-01-02" now)) }}
-    <div style="border: 1px solid darkgray; border-radius: 2px; padding:10px; margin:2px;">
+    <div id="{{ anchorize (.date_start | dateFormat "2006-01-02") }}-{{ anchorize .name }}" style="border: 1px solid darkgray; border-radius: 2px; padding:10px; margin:2px;">
       <h3>{{ .date_start | dateFormat "02-01-2006" }} - {{ .name }}</h3>
       {{ with .organizer }}<p><em>Georganizeerd door {{ .}}</em></p>{{ end }}
       {{ if ne .date_start .date_end }}