diff --git a/app/scodoc/notes_table.py b/app/scodoc/notes_table.py
index 996feddab..2209aea7d 100644
--- a/app/scodoc/notes_table.py
+++ b/app/scodoc/notes_table.py
@@ -814,7 +814,12 @@ class NotesTable:
                         moy_ue_cap = ue_cap["moy"]
                         mu["was_capitalized"] = True
                         event_date = event_date or ue_cap["event_date"]
-                        if (moy_ue_cap != "NA") and (moy_ue_cap > max_moy_ue):
+                        if (
+                            (moy_ue_cap != "NA")
+                            and isinstance(moy_ue_cap, float)
+                            and isinstance(max_moy_ue, float)
+                            and (moy_ue_cap > max_moy_ue)
+                        ):
                             # meilleure UE capitalisée
                             event_date = ue_cap["event_date"]
                             max_moy_ue = moy_ue_cap