diff --git a/app/models/etudiants.py b/app/models/etudiants.py
index 29852ed9d..41a4cf112 100644
--- a/app/models/etudiants.py
+++ b/app/models/etudiants.py
@@ -33,8 +33,8 @@ class Identite(db.Model):
     statut = db.Column(db.Text())
     boursier = db.Column(db.Boolean())  # True si boursier ('O' en ScoDoc7)
     photo_filename = db.Column(db.Text())
-    code_nip = db.Column(db.String(CODE_STR_LEN), unique=True)
-    code_ine = db.Column(db.String(CODE_STR_LEN), unique=True)
+    code_nip = db.Column(db.Text(), unique=True)
+    code_ine = db.Column(db.Text(), unique=True)
 
 
 class Adresse(db.Model):
diff --git a/app/models/formations.py b/app/models/formations.py
index f40085b6b..7a2e8b278 100644
--- a/app/models/formations.py
+++ b/app/models/formations.py
@@ -113,7 +113,7 @@ class NotesTag(db.Model):
     dept_id = db.Column(db.Integer, db.ForeignKey("departement.id"), index=True)
 
     tag_id = db.synonym("id")
-    title = db.Column(db.String(SHORT_STR_LEN), nullable=False, unique=True)
+    title = db.Column(db.Text(), nullable=False, unique=True)
 
 
 # Association tag <-> module