diff --git a/layouts/ds_2col/ds-2col.twig b/layouts/ds_2col/ds-2col.html.twig
similarity index 100%
rename from layouts/ds_2col/ds-2col.twig
rename to layouts/ds_2col/ds-2col.html.twig
diff --git a/layouts/ds_2col_stacked/ds-2col-stacked.twig b/layouts/ds_2col_stacked/ds-2col-stacked.html.twig
similarity index 100%
rename from layouts/ds_2col_stacked/ds-2col-stacked.twig
rename to layouts/ds_2col_stacked/ds-2col-stacked.html.twig