diff --git a/app/__init__.py b/app/__init__.py
index 7998f19a..0b7695a2 100755
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -86,8 +86,9 @@ def handle_invalid_csrf(exc):
     return render_template("error_csrf.j2", exc=exc), 404
 
 
-def handle_pdf_format_error(exc):
-    return "ay ay ay"
+# def handle_pdf_format_error(exc):
+#    return "ay ay ay"
+handle_pdf_format_error = handle_sco_value_error
 
 
 def internal_server_error(exc):
diff --git a/app/scodoc/sco_pv_pdf.py b/app/scodoc/sco_pv_pdf.py
index 551888fe..797582bd 100644
--- a/app/scodoc/sco_pv_pdf.py
+++ b/app/scodoc/sco_pv_pdf.py
@@ -46,6 +46,7 @@ from reportlab.lib.colors import Color
 from app.models import FormSemestre
 
 from app.scodoc import codes_cursus
+from app.scodoc.sco_exceptions import ScoPDFFormatError
 from app.scodoc import sco_pv_dict
 from app.scodoc import sco_pdf
 from app.scodoc import sco_preferences
@@ -217,20 +218,23 @@ def _pvjury_pdf_type(
             f"""<para align="center">Jury tenu le {date_jury}</para>""", style
         )
 
-    objects += sco_pdf.make_paras(
-        "<para>"
-        + (sco_preferences.get_preference("PV_INTRO", formsemestre.id) or "")
-        % {
-            "Decnum": numero_arrete,
-            "VDICode": code_vdi,
-            "UnivName": sco_preferences.get_preference("UnivName", formsemestre.id),
-            "Type": titre_jury,
-            "Date": date_commission,  # deprecated
-            "date_commission": date_commission,
-        }
-        + "</para>",
-        style_bullet,
-    )
+    try:
+        objects += sco_pdf.make_paras(
+            "<para>"
+            + (sco_preferences.get_preference("PV_INTRO", formsemestre.id) or "")
+            % {
+                "Decnum": numero_arrete,
+                "VDICode": code_vdi,
+                "UnivName": sco_preferences.get_preference("UnivName", formsemestre.id),
+                "Type": titre_jury,
+                "Date": date_commission,  # deprecated
+                "date_commission": date_commission,
+            }
+            + "</para>",
+            style_bullet,
+        )
+    except KeyError as exc:
+        raise ScoPDFFormatError(msg=f"balise inconnue: {exc.args[0]}") from exc
 
     objects += sco_pdf.make_paras(
         """<para>Le jury propose les décisions suivantes :</para>""", style
diff --git a/sco_version.py b/sco_version.py
index 772a6805..678af334 100644
--- a/sco_version.py
+++ b/sco_version.py
@@ -1,7 +1,7 @@
 # -*- mode: python -*-
 # -*- coding: utf-8 -*-
 
-SCOVERSION = "9.6.65"
+SCOVERSION = "9.6.66"
 
 SCONAME = "ScoDoc"