diff --git a/passerelle_imio_ts1_datasources/migrations/0001_initial.py b/passerelle_imio_ts1_datasources/migrations/0001_initial.py
index 430695c..193ab98 100644
--- a/passerelle_imio_ts1_datasources/migrations/0001_initial.py
+++ b/passerelle_imio_ts1_datasources/migrations/0001_initial.py
@@ -16,7 +16,7 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
                 ('title', models.CharField(max_length=50)),
-                ('slug', models.SlugField()),
+                ('slug', models.SlugField(unique=True)),
                 ('description', models.TextField()),
                 ('log_level', models.CharField(default=b'NOTSET', max_length=10, verbose_name='Log Level', choices=[(b'NOTSET', b'NOTSET'), (b'DEBUG', b'DEBUG'), (b'INFO', b'INFO'), (b'WARNING', b'WARNING'), (b'ERROR', b'ERROR'), (b'CRITICAL', b'CRITICAL'), (b'FATAL', b'FATAL')])),
                 ('users', models.ManyToManyField(to='base.ApiUser', blank=True)),
diff --git a/passerelle_imio_ts1_datasources/migrations/0004_auto_20180217_0803.py b/passerelle_imio_ts1_datasources/migrations/0004_auto_20180217_0803.py
new file mode 100644
index 0000000..7e09d02
--- /dev/null
+++ b/passerelle_imio_ts1_datasources/migrations/0004_auto_20180217_0803.py
@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.8 on 2018-02-17 07:03
+from __future__ import unicode_literals
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('passerelle_imio_ts1_datasources', '0003_auto_20170323_0602'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='imiots1datasources',
+            name='slug',
+            field=models.SlugField(unique=True),
+        ),
+    ]