diff --git a/src/library/exchange.rs b/src/library/exchange.rs
index 8cd3063..5e512ae 100644
--- a/src/library/exchange.rs
+++ b/src/library/exchange.rs
@@ -527,6 +527,8 @@ async fn download_tmp_file(
         }
     }
 
+    writer.flush().await?;
+
     Ok(file)
 }