diff --git a/flake.nix b/flake.nix
index b64ba3d44..98e0de4cd 100644
--- a/flake.nix
+++ b/flake.nix
@@ -150,7 +150,7 @@
                     ${nodejs}/bin/npm run build
                   '')
                   (pkgs.writeShellScriptBin "setup" ''
-                    ${elixir}/bin/mix ecto.create
+                    # We assume the database already exists
                     sudo -u postgres ${postgresql}/bin/psql -d mobilizon -c "create extension if not exists postgis; create extension if not exists unaccent; create extension if not exists pg_trgm;"
                     ${elixir}/bin/mix ecto.migrate
                   '')