diff --git a/src/model/activity/delivery.rs b/src/model/activity/delivery.rs
index a85e0b2..2e2d088 100644
--- a/src/model/activity/delivery.rs
+++ b/src/model/activity/delivery.rs
@@ -241,7 +241,7 @@ impl From<reqwest::Error> for DeliveryErrorKind {
             e if e.is_decode() => {
                 RetriableRemoteDeliveryError::ResponseParse(format!("{:?}", e)).into()
             }
-            e if e.s_builder() => InvalidDeliveryTaskError::Reqwest(format!("{:?}", e)).into(),
+            e if e.is_builder() => InvalidDeliveryTaskError::Reqwest(format!("{:?}", e)).into(),
             e => RetriableRemoteDeliveryError::GenericReqwest(format!("{:?}", e)).into(),
         }
     }