diff --git a/pkgs/development/python-modules/django-tinymce/default.nix b/pkgs/development/python-modules/django-tinymce/default.nix
index 82d7e0b06374..9e66148afb6b 100644
--- a/pkgs/development/python-modules/django-tinymce/default.nix
+++ b/pkgs/development/python-modules/django-tinymce/default.nix
@@ -23,7 +23,7 @@ buildPythonPackage rec {
 
   dependencies = [ django ];
 
-  DJANGO_SETTINGS_MODULE = "tests.settings";
+  env.DJANGO_SETTINGS_MODULE = "tests.settings";
 
   checkInputs = [
     pytest-django