diff --git a/app/scodoc/sco_photos.py b/app/scodoc/sco_photos.py
index 2bb2471997..c7e2b59bf0 100644
--- a/app/scodoc/sco_photos.py
+++ b/app/scodoc/sco_photos.py
@@ -53,7 +53,7 @@ import time
 import PIL
 from PIL import Image as PILImage
 
-from flask import request, g, has_request_context
+from flask import abort, request, g, has_request_context
 from flask.helpers import make_response, url_for
 
 from app import log
@@ -188,7 +188,10 @@ def etud_photo_html(etud: dict = None, etudid=None, title=None, size="small"):
     """
     if not etud:
         if etudid:
-            etud = sco_etud.get_etud_info(filled=True, etudid=etudid)[0]
+            etuds = sco_etud.get_etud_info(filled=True, etudid=etudid)
+            if not etuds:
+                return abort(404, "etudiant inconnu")
+            etud = etuds[0]
         else:
             raise ValueError("etud_photo_html: either etud or etudid must be specified")
     photo_url = etud_photo_url(etud, size=size)
@@ -278,7 +281,7 @@ def store_photo(etud: dict, data, filename: str) -> tuple[bool, str]:
 
 def suppress_photo(etud: Identite) -> None:
     """Suppress a photo"""
-    log("suppress_photo etudid=%s" % etud.id)
+    log(f"suppress_photo {etud}")
     rel_path = photo_pathname(etud.photo_filename)
     # 1- remove ref. from database
     etud.photo_filename = None
@@ -290,7 +293,7 @@ def suppress_photo(etud: Identite) -> None:
         rel_path = rel_path[: -len(IMAGE_EXT)]
         filenames = glob.glob(rel_path + "*" + IMAGE_EXT)
         for filename in filenames:
-            log("removing file %s" % filename)
+            log(f"removing file {filename}")
             os.remove(filename)
     db.session.commit()
     # 3- log
@@ -351,7 +354,7 @@ def find_new_dir():
         if not os.path.exists(PHOTO_DIR):
             os.mkdir(PHOTO_DIR)
         # create subdirectory
-        log("creating directory %s" % path)
+        log(f"creating directory {path}")
         os.mkdir(path)
     return d + "/"
 
diff --git a/sco_version.py b/sco_version.py
index 6b2ac7e08a..88cf2c366b 100644
--- a/sco_version.py
+++ b/sco_version.py
@@ -1,7 +1,7 @@
 # -*- mode: python -*-
 # -*- coding: utf-8 -*-
 
-SCOVERSION = "9.3.32"
+SCOVERSION = "9.3.33"
 
 SCONAME = "ScoDoc"