diff --git a/web/themes/custom/materiotheme/templates/email-simplenews-newsletter.html.twig b/web/themes/custom/materiotheme/templates/email--simplenews--newsletter.html.twig
similarity index 100%
rename from web/themes/custom/materiotheme/templates/email-simplenews-newsletter.html.twig
rename to web/themes/custom/materiotheme/templates/email--simplenews--newsletter.html.twig