diff --git a/app/scodoc/sco_moduleimpl_status.py b/app/scodoc/sco_moduleimpl_status.py
index 8ecd2ace..27fcb617 100644
--- a/app/scodoc/sco_moduleimpl_status.py
+++ b/app/scodoc/sco_moduleimpl_status.py
@@ -223,7 +223,7 @@ def moduleimpl_status(moduleimpl_id=None, partition_id=None):
         [
             max([p.poids for p in e.ue_poids] or [0]) * (e.coefficient or 0.0)
             for e in evaluations
-        ]
+        ] or [0]
     )
     #
     sem_locked = not sem["etat"]