diff --git a/rust/src/nfs/nfs4.rs b/rust/src/nfs/nfs4.rs
index b07c35de69..d8a353fb3c 100644
--- a/rust/src/nfs/nfs4.rs
+++ b/rust/src/nfs/nfs4.rs
@@ -320,6 +320,7 @@ impl NFSState {
                 Nfs4ResponseContent::ReadDir(_s, Some(ref rd)) => {
                     SCLogDebug!("READDIRv4: status {} eof {}", _s, rd.eof);
                     
+                    #[allow(clippy::manual_flatten)]
                     for d in &rd.listing {
                         if let Some(_d) = d {
                             SCLogDebug!("READDIRv4: dir {}", String::from_utf8_lossy(_d.name));