diff --git a/internal/domain/settings.go b/internal/domain/settings.go
index 839a5492..d9c4b0d5 100644
--- a/internal/domain/settings.go
+++ b/internal/domain/settings.go
@@ -27,6 +27,11 @@ type SettingsContentForPersistence struct {
 func (c SettingsContent) AsSSLProvider() *SettingsContentForSSLProvider {
 	content := &SettingsContentForSSLProvider{}
 	xmaps.Populate(c, content)
+
+	if content.Provider == "" {
+		content.Provider = CAProviderTypeLetsEncrypt
+	}
+
 	return content
 }