diff --git a/actix-web/examples/error.rs b/actix-web/examples/error.rs
index 445652989..3227252c6 100644
--- a/actix-web/examples/error.rs
+++ b/actix-web/examples/error.rs
@@ -27,7 +27,7 @@ async fn optional_payload(
 }
 
 #[post("/mandatory")]
-async fn mandatory_payload(qs: Query<MandatoryFilters>, payload: Json<OptionalPayload>) -> String {
+async fn mandatory_payload(qs: Query<MandatoryFilters>, payload: Json<MandatoryPayload>) -> String {
     format!(
         "you asked for the mandatory query params: {:#?} and mandatory body: {:#?}",
         qs, payload