diff --git a/NEWS.rst b/NEWS.rst
index dde0e7d311c3af5083a6606f8426734626832263_TkVXUy5yc3Q=..40b53081d745b3387b64c5444f1b9f5bbeac2dfc_TkVXUy5yc3Q= 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -11,6 +11,8 @@
 
 Fix issue with pg.extensions key in config file.
 
+Fix issue with flake8 call not using :file:`setup.cfg` preferences; it was called from another directory.
+
 4.0
 ---
 
diff --git a/odoo_scripts/docker_dev_start.py b/odoo_scripts/docker_dev_start.py
index dde0e7d311c3af5083a6606f8426734626832263_b2Rvb19zY3JpcHRzL2RvY2tlcl9kZXZfc3RhcnQucHk=..40b53081d745b3387b64c5444f1b9f5bbeac2dfc_b2Rvb19zY3JpcHRzL2RvY2tlcl9kZXZfc3RhcnQucHk= 100755
--- a/odoo_scripts/docker_dev_start.py
+++ b/odoo_scripts/docker_dev_start.py
@@ -72,5 +72,7 @@
             "run",
             "--rm",
             "--volume",
-            "{}:/mnt".format(os.environ["PWD"]),
+            "{}:/mnt:ro".format(os.environ["PWD"]),
+            "--workdir",
+            "/mnt",
             image,
@@ -76,5 +78,5 @@
             image,
-            "/mnt",
+            ".",
         ]
     )