diff --git a/app/scodoc/sco_moduleimpl_status.py b/app/scodoc/sco_moduleimpl_status.py
index 8ecd2ace..b40f0c7d 100644
--- a/app/scodoc/sco_moduleimpl_status.py
+++ b/app/scodoc/sco_moduleimpl_status.py
@@ -224,6 +224,7 @@ 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"]
diff --git a/sco_version.py b/sco_version.py
index ec084085..579cc343 100644
--- a/sco_version.py
+++ b/sco_version.py
@@ -1,7 +1,7 @@
 # -*- mode: python -*-
 # -*- coding: utf-8 -*-
 
-SCOVERSION = "9.4.14"
+SCOVERSION = "9.4.15"
 
 SCONAME = "ScoDoc"