diff --git a/res/mappings.36c3.json b/res/mappings.36c3.json
index e8b7e715..783016f5 100644
--- a/res/mappings.36c3.json
+++ b/res/mappings.36c3.json
@@ -15,7 +15,7 @@
   "CCL Terrace": "ccl-terrace",
   "Chaos-West Bühne": "cw-stage",
   "ChaosZone Bühne": "chaoszone-stage",
-  "ChaosZone Workshop": null,
+  "ChaosZone Workshop": "cz-workshop",
   "ChaosZone": "chaoszone",
   "Kidspace": "kidspace",
   "Lecture room 11": "self-organized-sessions-11",