diff --git a/app/comp/res_common.py b/app/comp/res_common.py
index 939716516..649970ad7 100644
--- a/app/comp/res_common.py
+++ b/app/comp/res_common.py
@@ -311,9 +311,7 @@ class NotesTableCompat(ResultatsSemestre):
         self.bonus = None  # virtuel
         self.bonus_ues = None  # virtuel
         self.ue_rangs = {u.id: (None, nb_etuds) for u in self.ues}
-        self.mod_rangs = {
-            m.id: (None, nb_etuds) for m in self.formsemestre.modimpls_sorted
-        }
+        self.mod_rangs = None  # sera surchargé en Classic, mais pas en APC
         self.moy_min = "NA"
         self.moy_max = "NA"
         self.moy_moy = "NA"
diff --git a/app/scodoc/sco_bulletins.py b/app/scodoc/sco_bulletins.py
index beb224d0e..4eb3a2d2b 100644
--- a/app/scodoc/sco_bulletins.py
+++ b/app/scodoc/sco_bulletins.py
@@ -621,7 +621,12 @@ def _ue_mod_bulletin(etudid, formsemestre_id, ue_id, modimpls, nt, version):
                         e["note_txt"] = e["note_html"] = ""
                         e["coef_txt"] = scu.fmt_coef(e["coefficient"])
             # Classement
-            if bul_show_mod_rangs and mod["mod_moy_txt"] != "-" and not is_malus:
+            if (
+                bul_show_mod_rangs
+                and (nt.mod_rangs is not None)
+                and mod["mod_moy_txt"] != "-"
+                and not is_malus
+            ):
                 rg = nt.mod_rangs[modimpl["moduleimpl_id"]]
                 if rg[0] is None:
                     mod["mod_rang_txt"] = ""
diff --git a/app/scodoc/sco_poursuite_dut.py b/app/scodoc/sco_poursuite_dut.py
index e7fe56850..60dfa2ab1 100644
--- a/app/scodoc/sco_poursuite_dut.py
+++ b/app/scodoc/sco_poursuite_dut.py
@@ -86,9 +86,12 @@ def etud_get_poursuite_info(sem, etud):
                                 nt.get_etud_mod_moy(modimpl["moduleimpl_id"], etudid)
                             )
                             if noteModule != "NI":  # si étudiant inscrit au module
-                                rangModule = nt.mod_rangs[modimpl["moduleimpl_id"]][0][
-                                    etudid
-                                ]
+                                if nt.mod_rangs is not None:
+                                    rangModule = nt.mod_rangs[modimpl["moduleimpl_id"]][
+                                        0
+                                    ][etudid]
+                                else:
+                                    rangModule = ""
                                 modules.append([codeModule, noteModule])
                                 rangs.append(["rang_" + codeModule, rangModule])