diff --git a/src/mimeparser.rs b/src/mimeparser.rs
index 24865c38a..ca8d77725 100644
--- a/src/mimeparser.rs
+++ b/src/mimeparser.rs
@@ -877,6 +877,7 @@ impl MimeMessage {
         Ok(self.parts.len() > old_part_count)
     }
 
+    #[allow(clippy::too_many_arguments)]
     async fn do_add_single_file_part(
         &mut self,
         context: &Context,