diff --git a/melib/src/backends/mbox.rs b/melib/src/backends/mbox.rs
index 9815eff49..48afd853a 100644
--- a/melib/src/backends/mbox.rs
+++ b/melib/src/backends/mbox.rs
@@ -420,6 +420,7 @@ impl MailBackend for MboxType {
                 }
 
                 tx.send(AsyncStatus::Payload(payload)).unwrap();
+                tx.send(AsyncStatus::Finished).unwrap();
             };
             Box::new(closure)
         };