diff --git a/app/api/formsemestres.py b/app/api/formsemestres.py
index 257cda6e2a..32e2de5a9a 100644
--- a/app/api/formsemestres.py
+++ b/app/api/formsemestres.py
@@ -235,6 +235,7 @@ def formsemestre_programme(formsemestre_id: int):
         ModuleType.RESSOURCE: [],
         ModuleType.SAE: [],
         ModuleType.STANDARD: [],
+        ModuleType.MALUS: [],
     }
     for modimpl in formsemestre.modimpls_sorted:
         d = modimpl.to_dict(convert_objects=True)