diff --git a/georiviere/watershed/migrations/0001_initial.py b/georiviere/watershed/migrations/0001_initial.py
index a62d3bbf..7d41a92e 100644
--- a/georiviere/watershed/migrations/0001_initial.py
+++ b/georiviere/watershed/migrations/0001_initial.py
@@ -2,6 +2,7 @@
 
 import colorfield.fields
 import django.contrib.gis.db.models.fields
+from django.conf import settings
 from django.db import migrations, models
 import django.db.models.deletion
 
@@ -30,7 +31,7 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('name', models.CharField(max_length=250, verbose_name='Name')),
-                ('geom', django.contrib.gis.db.models.fields.MultiPolygonField(srid=2154)),
+                ('geom', django.contrib.gis.db.models.fields.MultiPolygonField(srid=settings.SRID)),
                 ('eid', models.CharField(blank=True, default=None, max_length=1024, null=True, unique=True, verbose_name='External id')),
                 ('watershed_type', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='watershed.watershedtype', verbose_name='Watershed')),
             ],