diff --git a/cmd/batch-authz.go b/cmd/batch-authz.go
index 7b7163b8d..59c74262d 100644
--- a/cmd/batch-authz.go
+++ b/cmd/batch-authz.go
@@ -572,6 +572,8 @@ const batchIAMLoadTimeout = 5 * time.Second
 // waiting for the cache lock, which taking the write lock back after each
 // read would cause. It writes nothing to the cache but the lazily loaded
 // mappings, which the request path stores under the read lock as well.
+//
+//msgp:ignore batchPolicySnapshot
 type batchPolicySnapshot struct {
 	*IAMStoreSys
 	ctx   context.Context