diff --git a/app/models/moduleimpls.py b/app/models/moduleimpls.py
index ea4374e6..38f95c57 100644
--- a/app/models/moduleimpls.py
+++ b/app/models/moduleimpls.py
@@ -15,6 +15,7 @@ from app.models import UniteEns, Identite
 
 import app.scodoc.notesdb as ndb
 from app.scodoc import sco_evaluation_db
+from app.scodoc import sco_utils as scu
 
 
 class ModuleImpl(db.Model):
@@ -68,7 +69,10 @@ class ModuleImpl(db.Model):
         """true si les poids des évaluations du module permettent de satisfaire
         les coefficients du PN.
         """
-        if not self.module.formation.get_parcours().APC_SAE:
+        if not self.module.formation.get_parcours().APC_SAE or (
+            self.module.module_type != scu.ModuleType.RESSOURCE
+            and self.module.module_type != scu.ModuleType.SAE
+        ):
             return True
         from app.comp import moy_mod
 
diff --git a/app/scodoc/sco_moduleimpl_status.py b/app/scodoc/sco_moduleimpl_status.py
index 41daf04d..6d07d4e4 100644
--- a/app/scodoc/sco_moduleimpl_status.py
+++ b/app/scodoc/sco_moduleimpl_status.py
@@ -157,7 +157,7 @@ def moduleimpl_evaluation_menu(evaluation_id, nbnotes=0):
 
 def _ue_coefs_html(coefs_descr) -> str:
     """ """
-    max_coef = max([x[1] for x in coefs_descr])
+    max_coef = max([x[1] for x in coefs_descr]) if coefs_descr else 1.0
     H = """
     <div id="modimpl_coefs">
      <div>Coefficients vers les UE</div>