diff --git a/app/but/bulletin_but_pdf.py b/app/but/bulletin_but_pdf.py
index 4c271acc..ea4610cb 100644
--- a/app/but/bulletin_but_pdf.py
+++ b/app/but/bulletin_but_pdf.py
@@ -139,7 +139,12 @@ class BulletinGeneratorStandardBUT(BulletinGeneratorStandard):
             }
             rows.append(t)
             # 2eme ligne titre UE (bonus/malus/ects)
-            ects_txt = f'ECTS: {ue["ECTS"]["acquis"]:.3g} / {ue["ECTS"]["total"]:.3g}'
+            if "ECTS" in ue:
+                ects_txt = (
+                    f'ECTS: {ue["ECTS"]["acquis"]:.3g} / {ue["ECTS"]["total"]:.3g}'
+                )
+            else:
+                ects_txt = ""
             t = {
                 "titre": f"""Bonus: {ue['bonus']} - Malus: {
                     ue["malus"]}""",