diff --git a/project/geosource/migrations/0009_alter_source_slug.py b/project/geosource/migrations/0009_alter_source_slug.py
new file mode 100644
index 00000000..28b30d7c
--- /dev/null
+++ b/project/geosource/migrations/0009_alter_source_slug.py
@@ -0,0 +1,20 @@
+# Generated by Django 4.1.8 on 2023-04-11 14:47
+
+import autoslug.fields
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("geosource", "0008_alter_field_sample"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="source",
+            name="slug",
+            field=autoslug.fields.AutoSlugField(
+                editable=False, populate_from="name", unique=True
+            ),
+        ),
+    ]
diff --git a/project/geosource/models.py b/project/geosource/models.py
index 78ab1276..9931e047 100644
--- a/project/geosource/models.py
+++ b/project/geosource/models.py
@@ -7,6 +7,7 @@
 import fiona
 import psycopg2
 import pyexcel
+from autoslug import AutoSlugField
 from celery.result import AsyncResult
 from celery.utils.log import LoggingProxy
 from django.conf import settings
@@ -65,7 +66,7 @@ def get_type_from_data(cls, data):
 class Source(PolymorphicModel, CeleryCallMethodsMixin):
     name = models.CharField(max_length=255, unique=True)
     credit = models.TextField(blank=True)
-    slug = models.SlugField(max_length=255, unique=True)
+    slug = AutoSlugField(unique=True, populate_from="name")
     description = models.TextField(blank=True)
 
     id_field = models.CharField(max_length=255, default="id")
diff --git a/project/terra_layer/migrations/0010_alter_scene_slug.py b/project/terra_layer/migrations/0010_alter_scene_slug.py
new file mode 100644
index 00000000..ea7b9af1
--- /dev/null
+++ b/project/terra_layer/migrations/0010_alter_scene_slug.py
@@ -0,0 +1,20 @@
+# Generated by Django 4.1.8 on 2023-04-11 14:47
+
+import autoslug.fields
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("terra_layer", "0009_alter_scene_base_layers"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="scene",
+            name="slug",
+            field=autoslug.fields.AutoSlugField(
+                editable=False, populate_from="name", unique=True
+            ),
+        ),
+    ]
diff --git a/project/terra_layer/models.py b/project/terra_layer/models.py
index 7362bef9..d9b00827 100644
--- a/project/terra_layer/models.py
+++ b/project/terra_layer/models.py
@@ -29,7 +29,7 @@ class Scene(models.Model):
     """
 
     name = models.CharField(max_length=255, unique=True)
-    slug = models.SlugField(max_length=255, unique=True)
+    slug = AutoSlugField(unique=True, populate_from="name")
     category = models.CharField(max_length=255, default="map")
     custom_icon = models.ImageField(
         max_length=255, upload_to=scene_icon_path, null=True, default=None
@@ -129,9 +129,6 @@ def insert_in_tree(self, layer, parts, group_config=None):
         self.save()
 
     def save(self, *args, **kwargs):
-        if not self.slug:
-            self.slug = slugify(self.name)
-
         super().save(*args, **kwargs)
         self.tree2models()  # Generate LayerGroups according to the tree
 
diff --git a/project/visu/migrations/0006_alter_extramenuitem_slug.py b/project/visu/migrations/0006_alter_extramenuitem_slug.py
new file mode 100644
index 00000000..1e4789a7
--- /dev/null
+++ b/project/visu/migrations/0006_alter_extramenuitem_slug.py
@@ -0,0 +1,20 @@
+# Generated by Django 4.1.8 on 2023-04-11 14:47
+
+import autoslug.fields
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("visu", "0005_alter_extramenuitem_options"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="extramenuitem",
+            name="slug",
+            field=autoslug.fields.AutoSlugField(
+                editable=False, populate_from="label", unique=True
+            ),
+        ),
+    ]
diff --git a/project/visu/models.py b/project/visu/models.py
index 48019a7b..49ca6709 100644
--- a/project/visu/models.py
+++ b/project/visu/models.py
@@ -1,3 +1,4 @@
+from autoslug import AutoSlugField
 from django.db import models
 from django.utils.text import slugify
 from django.utils.translation import gettext_lazy as _
@@ -17,18 +18,13 @@ class ExtraMenuItem(models.Model):
     """Extra menu items included in frontend."""
 
     label = models.CharField(max_length=255, unique=True)
-    slug = models.SlugField(max_length=255, unique=True, blank=True)
+    slug = AutoSlugField(unique=True, populate_from="label")
     href = models.CharField(max_length=255)
     icon = models.ImageField(upload_to="extra_menu_items/")
 
     def __str__(self):
         return self.label
 
-    def save(self, *args, **kwargs):
-        if not self.pk and not self.slug:
-            self.slug = slugify(self.label)
-        return super().save(*args, **kwargs)
-
     class Meta:
         verbose_name = _("Extra menu item")
         verbose_name_plural = _("Extra menu items")