diff --git a/fournée/core/admin.py b/fournée/core/admin.py
index 958758f..7691c67 100644
--- a/fournée/core/admin.py
+++ b/fournée/core/admin.py
@@ -1,5 +1,4 @@
 from datetime import date, timedelta
-from decimal import Decimal
 
 from django.contrib import admin, messages
 from django.shortcuts import redirect
@@ -9,13 +8,7 @@ from django.utils.safestring import mark_safe
 import nested_admin
 
 from . import models
-
-
-def clean(d):
-    if d == d.to_integral():
-        return d.quantize(Decimal(1))
-    else:
-        return d.quantize(Decimal('1.000')).normalize()
+from .utils import clean
 
 
 class MyAdminSite(admin.AdminSite):
diff --git a/fournée/core/models.py b/fournée/core/models.py
index a3ae08d..a4c2044 100644
--- a/fournée/core/models.py
+++ b/fournée/core/models.py
@@ -4,6 +4,8 @@ from django.db import models
 
 from colorfield.fields import ColorField
 
+from .utils import clean
+
 
 def upload_to(instance, filename):
     return "{}/{}".format(uuid4(), filename)
@@ -69,7 +71,7 @@ class Ingrédient(models.Model):
     quantité = models.DecimalField(max_digits=6, decimal_places=3)
 
     def __str__(self):
-        return f"{self.fourniture.nom} ({self.quantité} kg)"
+        return f"{self.fourniture.nom} ({clean(self.quantité)} kg)"
 
 
 class Recette(models.Model):
@@ -106,7 +108,7 @@ class Réservation(models.Model):
     commande = models.ForeignKey("Commande", on_delete=models.CASCADE)
 
     def __str__(self):
-        return f"{self.quantité.normalize()} {self.pain}"
+        return f"{clean(self.quantité)} {self.pain}"
 
 
 class Commande(models.Model):
@@ -136,6 +138,6 @@ class Coulée(models.Model):
     fournée = models.ForeignKey("Fournée", on_delete=models.CASCADE)
 
     def __str__(self):
-        return f"{self.pâte} ({self.quantité.normalize()} kg)"
+        return f"{self.pâte} ({clean(self.quantité)} kg)"
 
 
diff --git a/fournée/core/utils.py b/fournée/core/utils.py
new file mode 100644
index 0000000..2087473
--- /dev/null
+++ b/fournée/core/utils.py
@@ -0,0 +1,8 @@
+from decimal import Decimal
+
+
+def clean(d):
+    if d == d.to_integral():
+        return d.quantize(Decimal(1))
+    else:
+        return d.quantize(Decimal('1.000')).normalize()