diff --git a/PFERD/ilias_authenticators.py b/PFERD/ilias_authenticators.py
index 33766da..57ae94c 100644
--- a/PFERD/ilias_authenticators.py
+++ b/PFERD/ilias_authenticators.py
@@ -27,6 +27,7 @@ class ShibbolethAuthenticator:
         "application/pdf",
         "application/zip",
         "application/msword",
+        "application/vnd.wolfram.nb",
         "text/xml",
         "text/plain",
         "image/jpeg",