diff --git a/passerelle/apps/base_adresse/models.py b/passerelle/apps/base_adresse/models.py
index f9be65eb..0cf9b0e1 100644
--- a/passerelle/apps/base_adresse/models.py
+++ b/passerelle/apps/base_adresse/models.py
@@ -233,7 +233,7 @@ class BaseAdresse(BaseResource):
             streets = streets[:page_limit]
 
         for street in streets:
-            result.append({'id': street.id,
+            result.append({'id': str(street.id),
                            'text': street.name,
                            'type': street.type,
                            'city': street.city,
diff --git a/tests/test_base_adresse.py b/tests/test_base_adresse.py
index 1ba53132..95c72287 100644
--- a/tests/test_base_adresse.py
+++ b/tests/test_base_adresse.py
@@ -280,7 +280,7 @@ def test_base_adresse_streets_unaccent(app, base_adresse, street):
     assert result['text'] == street.name
     assert result['citycode'] == street.citycode
     assert result['zipcode'] == street.zipcode
-    assert result['id'] == street.id
+    assert result['id'] == str(street.id)
 
 def test_base_adresse_streets_get_by_id(app, base_adresse, street):
     for i in range(10):