diff --git a/app/pe/pe_view.py b/app/pe/pe_view.py
index 5a98d375f..5af1a5754 100644
--- a/app/pe/pe_view.py
+++ b/app/pe/pe_view.py
@@ -36,6 +36,7 @@
 """
 
 from flask import send_file, request
+from app.scodoc.sco_exceptions import ScoValueError
 
 import app.scodoc.sco_utils as scu
 from app.scodoc import sco_formsemestre
@@ -97,8 +98,12 @@ def pe_view_sem_recap(
     template_latex = ""
     # template fourni via le formulaire Web
     if avis_tmpl_file:
-        template_latex = avis_tmpl_file.read().decode('utf-8')
-        template_latex = template_latex
+        try:
+            template_latex = avis_tmpl_file.read().decode("utf-8")
+        except UnicodeDecodeError as e:
+            raise ScoValueError(
+                "Données (template) invalides (caractères non UTF8 ?)"
+            ) from e
     else:
         # template indiqué dans préférences ScoDoc ?
         template_latex = pe_avislatex.get_code_latex_from_scodoc_preference(
@@ -114,7 +119,7 @@ def pe_view_sem_recap(
     footer_latex = ""
     # template fourni via le formulaire Web
     if footer_tmpl_file:
-        footer_latex = footer_tmpl_file.read().decode('utf-8')
+        footer_latex = footer_tmpl_file.read().decode("utf-8")
         footer_latex = footer_latex
     else:
         footer_latex = pe_avislatex.get_code_latex_from_scodoc_preference(