diff --git a/app/comp/inscr_mod.py b/app/comp/inscr_mod.py
index 43f6eb0a2..4d9a573bb 100644
--- a/app/comp/inscr_mod.py
+++ b/app/comp/inscr_mod.py
@@ -22,7 +22,7 @@ def df_load_modimpl_inscr(formsemestre) -> pd.DataFrame:
     """
     # méthode la moins lente: une requete par module, merge les dataframes
     moduleimpl_ids = [m.id for m in formsemestre.modimpls]
-    etudids = [i.etudid for i in formsemestre.inscriptions]
+    etudids = [i.etudid for i in formsemestre.get_inscrits()]
     df = pd.DataFrame(index=etudids, dtype=int)
     for moduleimpl_id in moduleimpl_ids:
         ins_df = pd.read_sql_query(
diff --git a/app/scodoc/notes_table.py b/app/scodoc/notes_table.py
index 7a6cfd050..052b387e1 100644
--- a/app/scodoc/notes_table.py
+++ b/app/scodoc/notes_table.py
@@ -980,8 +980,8 @@ class NotesTable:
     def get_table_moyennes_triees(self):
         return self.T
 
-    def get_etud_rang(self, etudid):
-        return self.rangs[etudid]
+    def get_etud_rang(self, etudid) -> str:
+        return self.rangs.get(etudid, "999")
 
     def get_etud_rang_group(self, etudid, group_id):
         """Returns rank of etud in this group and number of etuds in group.
@@ -1350,10 +1350,11 @@ class NotesTable:
         ues = self.get_ues()  # incluant le(s) UE de sport
         for t in self.T:
             etudid = t[-1]
-            t[0] = results.etud_moy_gen[etudid]
-            for i, ue in enumerate(ues, start=1):
-                if ue["type"] != UE_SPORT:
-                    t[i] = results.etud_moy_ue[ue["id"]][etudid]
+            if etudid in results.etud_moy_gen:  # evite les démissionnaires
+                t[0] = results.etud_moy_gen[etudid]
+                for i, ue in enumerate(ues, start=1):
+                    if ue["type"] != UE_SPORT:
+                        t[i] = results.etud_moy_ue[ue["id"]][etudid]
         # re-trie selon la nouvelle moyenne générale:
         self.T.sort(key=self._row_key)
         # Remplace aussi le rang:
diff --git a/sco_version.py b/sco_version.py
index 819dc0c73..6e341a849 100644
--- a/sco_version.py
+++ b/sco_version.py
@@ -1,7 +1,7 @@
 # -*- mode: python -*-
 # -*- coding: utf-8 -*-
 
-SCOVERSION = "9.1.5"
+SCOVERSION = "9.1.6"
 
 SCONAME = "ScoDoc"