diff --git a/terminwahl_back/src/views.rs b/terminwahl_back/src/views.rs
index 5a40573..f387a17 100644
--- a/terminwahl_back/src/views.rs
+++ b/terminwahl_back/src/views.rs
@@ -1,6 +1,6 @@
 use actix_web::{error, web, HttpResponse};
 use handlebars::Handlebars;
-use lettre::SmtpTransport;
+use lettre::{AsyncSmtpTransport, Tokio1Executor};
 use serde_json::json;
 use terminwahl_typen::IdType;
 
@@ -14,7 +14,7 @@ use crate::{
 
 pub async fn confirm_validation_key(
     pool: web::Data<Pool>,
-    _mailer: web::Data<SmtpTransport>,
+    _mailer: web::Data<AsyncSmtpTransport<Tokio1Executor>>,
     css: web::Data<CssPath>,
     handlebars: web::Data<Handlebars<'_>>,
     validation_key: web::Path<String>,
@@ -34,7 +34,7 @@ pub async fn confirm_validation_key(
 
 pub async fn delete_appointment(
     pool: web::Data<Pool>,
-    _mailer: web::Data<SmtpTransport>,
+    _mailer: web::Data<AsyncSmtpTransport<Tokio1Executor>>,
     handlebars: web::Data<Handlebars<'_>>,
     css: web::Data<CssPath>,
     path: web::Path<(IdType, IdType, String)>,