diff --git a/internal/api/mail.go b/internal/api/mail.go
index 87c4841c3..2596253a5 100644
--- a/internal/api/mail.go
+++ b/internal/api/mail.go
@@ -832,7 +832,7 @@ func (a *API) sendEmail(r *http.Request, tx *storage.Connection, u *models.User,
 			Token:           otp,
 			EmailActionType: params.emailActionType,
 			RedirectTo:      referrerURL,
-			SiteURL:         externalURL.String(),
+			SiteURL:         config.SiteURL,
 			TokenHash:       params.tokenHashWithPrefix,
 		}
 		if params.emailActionType == mail.EmailChangeVerification {