1 files changed, 4 insertions, 1 deletions
diff --git a/src/nix/add-to-store.cc b/src/nix/add-to-store.cc
index 0dda2af38..de68e9501 100644
--- a/src/nix/add-to-store.cc
+++ b/src/nix/add-to-store.cc
@@ -48,7 +48,10 @@ struct CmdAddToStore : MixDryRun, StoreCommand
         ValidPathInfo info(store->makeFixedOutputPath(FileIngestionMethod::Recursive, narHash, *namePart));
         *info.narHash = narHash;
         info.narSize = sink.s->size();
-        info.ca = makeFixedOutputCA(FileIngestionMethod::Recursive, *info.narHash);
+        info.ca = std::optional { FixedOutputHash {
+            .method = FileIngestionMethod::Recursive,
+            .hash = *info.narHash,
+        } };
 
         if (!dryRun) {
             auto source = StringSource { *sink.s };