diff --git a/res/mappings.35c3.json b/res/mappings.35c3.json
index 0b68d5fb..9fdbea1c 100644
--- a/res/mappings.35c3.json
+++ b/res/mappings.35c3.json
@@ -4,6 +4,7 @@
   "Clarke": "hall-c",
   "Dijkstra": "hall-d",
   "Eliza": "hall-e",
+  "Assembly:Blind Navigation Workshop": "blindnavigation",
   "Assembly:CCL": null,
   "Assembly:Chaos West": "chaos-west",
   "Assembly:CRYPTO Currency Assembly / Embassy": null,
@@ -19,8 +20,8 @@
   "ChaosZone": null,
   "Chaos West Bühne": "chaos-west-stage",
   "Chaos West Stage": "chaos-west-stage",
-  "Compeiler": null,
-  "Discodrama": null,
+  "Compeiler": "compeiler",
+  "Discodrama": "discodrama",
   "Kidspace": "kidspace",
   "Lecture room 11": "self-organized-sessions-11",
   "Lecture room M1": "self-organized-sessions-m1",