diff --git a/config/settings/base.py b/config/settings/base.py
index 68137739b..551902475 100644
--- a/config/settings/base.py
+++ b/config/settings/base.py
@@ -64,7 +64,6 @@
     "compressor.finders.CompressorFinder",
 ]
 
-STATICFILES_STORAGE = "whitenoise.storage.CompressedManifestStaticFilesStorage"
 
 STATICFILES_FINDERS += ["compressor.finders.CompressorFinder"]
 
diff --git a/config/settings/dev.py b/config/settings/dev.py
index ecd539a61..4cad3cb26 100644
--- a/config/settings/dev.py
+++ b/config/settings/dev.py
@@ -22,6 +22,7 @@
 # For Docker env (and debug toolbar in particular)
 import socket
 
+
 _, _, ips = socket.gethostbyname_ex(socket.gethostname())
 INTERNAL_IPS = [ip[: ip.rfind(".")] + ".1" for ip in ips] + ["127.0.0.1"]
 
@@ -90,3 +91,5 @@
     "results": True,
     "store_none": True,
 }  # Huey implementation to use.
+
+STATICFILES_STORAGE = "whitenoise.storage.CompressedManifestStaticFilesStorage"
diff --git a/config/settings/staging.py b/config/settings/staging.py
index 6e905d009..90dda3bb1 100644
--- a/config/settings/staging.py
+++ b/config/settings/staging.py
@@ -7,6 +7,26 @@
 env = environ.Env()
 
 
+STORAGES = {
+    "default": {
+        "BACKEND": "storages.backends.s3.S3Storage",
+        # "BACKEND": "lemarche.utils.s3boto.S3BotoStorage",
+        "OPTIONS": {
+            "bucket_name": S3_STORAGE_BUCKET_NAME,  # noqa
+            "access_key": S3_STORAGE_ACCESS_KEY_ID,  # noqa
+            "secret_key": S3_STORAGE_SECRET_ACCESS_KEY,  # noqa
+            "endpoint_url": f"https://{S3_STORAGE_ENDPOINT_DOMAIN}",  # noqa
+            "region_name": S3_STORAGE_BUCKET_REGION,  # noqa
+            "file_overwrite": False,
+            "location": env.str("S3_LOCATION", ""),
+        },
+    },
+    "staticfiles": {
+        "BACKEND": "django.contrib.staticfiles.storage.StaticFilesStorage",
+    },
+}
+
+
 ALLOWED_HOSTS = [
     "127.0.0.1",
     "staging.inclusion.beta.gouv.fr",
@@ -24,7 +44,6 @@
 SECURE_SSL_REDIRECT = env.bool("SECURE_SSL_REDIRECT", True)
 
 MEDIA_URL = f"https://{S3_STORAGE_ENDPOINT_DOMAIN}/"  # noqa
-DEFAULT_FILE_STORAGE = "lemarche.utils.s3boto.S3BotoStorage"
 
 
 # Sentry