diff --git a/pageserver/src/walingest.rs b/pageserver/src/walingest.rs
index e794cab765d3..720cdda28e3b 100644
--- a/pageserver/src/walingest.rs
+++ b/pageserver/src/walingest.rs
@@ -2163,7 +2163,7 @@ mod tests {
             while let Some((lsn, recdata)) = decoder.poll_decode().unwrap() {
                 let interpreted = InterpretedWalRecord::from_bytes_filtered(
                     recdata,
-                    &vec![*modification.tline.get_shard_identity()],
+                    &[*modification.tline.get_shard_identity()],
                     lsn,
                     modification.tline.pg_version,
                 )