diff --git a/systems/mathhub.md b/systems/mathhub.md
index 400d3bf0d069e85adeb92b34964b641523d2a829..aeccd2d3ce49b59f8c28aa46e2ffeddbe501f4b6 100644
--- a/systems/mathhub.md
+++ b/systems/mathhub.md
@@ -19,6 +19,7 @@ supported-by:
     - oaf
     - odk
     - latin
+    - mdh
 
 logo: public/mathHubLogo.png
 website: http://mathhub.info