diff --git a/config.json b/config.json
index d2417ebb431c91c98a4ddf00d3e6360d77df0363..37ca1ecc74cdee4e2fb1baaea0870c9ee06c0bf3 100644
--- a/config.json
+++ b/config.json
@@ -8,7 +8,7 @@
   "UriSchemas": [
     ["https", {
       "scope" : ["website"],
-      "allowed" : ["media.ccc.de", "streaming.media.ccc.de", "static.rc3.world", "cdn.c3voc.de"],
+      "allowed" : ["media.ccc.de", "streaming.media.ccc.de", "static.rc3.world", "cdn.c3voc.de", "pretalx.c3voc.de"],
       "blocked" : ["blocked.com"],
       "prefix" : "https:\/\/rc3.world\/2021\/dereferrer\/"
     }],