diff --git a/PFERD/ilias_authenticators.py b/PFERD/ilias_authenticators.py
index d686c7a..9a87e2d 100644
--- a/PFERD/ilias_authenticators.py
+++ b/PFERD/ilias_authenticators.py
@@ -34,6 +34,7 @@ class ShibbolethAuthenticator:
     ALLOWED_CONTENT_TYPES = [
         "application/pdf",
         "application/zip",
+        "application/msword",
         "text/xml",
         "text/plain",
         "image/jpeg",