diff --git a/ietf/settings.py b/ietf/settings.py
index e096f7399..b02f71b0f 100644
--- a/ietf/settings.py
+++ b/ietf/settings.py
@@ -906,8 +906,8 @@ MEETING_VALID_UPLOAD_EXTENSIONS = {
 }
     
 MEETING_VALID_UPLOAD_MIME_TYPES = {
-    'agenda':       ['text/plain', 'text/html', 'text/markdown', ],
-    'minutes':      ['text/plain', 'text/html', 'application/pdf', 'text/markdown', ],
+    'agenda':       ['text/plain', 'text/html', 'text/markdown', 'text/x-markdown', ],
+    'minutes':      ['text/plain', 'text/html', 'application/pdf', 'text/markdown', 'text/x-markdown', ],
     'slides':       [],
     'bluesheets':   ['application/pdf', 'text/plain', ],
 }