diff --git a/app/scodoc/sco_edit_ue.py b/app/scodoc/sco_edit_ue.py
index a5710c825d..623753ddb8 100644
--- a/app/scodoc/sco_edit_ue.py
+++ b/app/scodoc/sco_edit_ue.py
@@ -28,6 +28,8 @@
 """Ajout/Modification/Suppression UE
 
 """
+import re
+
 import flask
 from flask import flash, render_template, url_for
 from flask import g, request
@@ -267,10 +269,19 @@ def ue_edit(ue_id=None, create=False, formation_id=None, default_semestre_idx=No
     else:
         ue = None
         title = "Création d'une UE"
+
+        exp = re.compile(r"UCOD(\d+)$")
+        matches = {exp.match(u.ue_code) for u in UniteEns.query if exp.match(u.ue_code)}
+        max_code = (
+            max(int(match.group(1)) for match in matches if match) if matches else 0
+        )
+        proposed_code = f"UCOD{max_code+1}"
+
         initvalues = {
             "semestre_idx": default_semestre_idx,
             "color": ue_guess_color_default(formation_id, default_semestre_idx),
             "coef_rcue": 1.0,
+            "ue_code": proposed_code,
         }
         submitlabel = "Créer cette UE"
         can_change_semestre_id = True