diff --git a/src/GameCult.Caching.MessagePack/DirectoryMessagePackBackingStore.cs b/src/GameCult.Caching.MessagePack/DirectoryMessagePackBackingStore.cs
index d078999a..20f00c2e 100644
--- a/src/GameCult.Caching.MessagePack/DirectoryMessagePackBackingStore.cs
+++ b/src/GameCult.Caching.MessagePack/DirectoryMessagePackBackingStore.cs
@@ -339,11 +339,14 @@ public sealed class DirectoryMessagePackBackingStore : CacheBackingStore
                 var started = tracePages ? Stopwatch.GetTimestamp() : 0L;
                 var metadata = records[index];
                 var record = ReadPersistedRecordPage(metadata, out var pagePayload);
-                storedRecords[index] = ToStoredDocument(
+                var stored = ToStoredDocument(
                     record,
                     catalogEntries,
                     (type, payload) => CultDocumentMessagePackSerialization.DeserializeUntyped(type, payload, Registry),
                     out recordReports[index]);
+                // The manifest is this store's record of what is on disk, and what a commit condition compares with.
+                stored.StoredSchemaId = metadata.SchemaId;
+                storedRecords[index] = stored;
                 if (tracePages)
                 {
                     pageBytes[index] = pagePayload.LongLength;
diff --git a/tests/GameCult.Caching.Tests/CompatibleSchemaIdTests.cs b/tests/GameCult.Caching.Tests/CompatibleSchemaIdTests.cs
index e6b5c3e2..f76d023d 100644
--- a/tests/GameCult.Caching.Tests/CompatibleSchemaIdTests.cs
+++ b/tests/GameCult.Caching.Tests/CompatibleSchemaIdTests.cs
@@ -354,7 +354,7 @@ namespace GameCult.Caching.Tests
             using (var cache = Open(path, Declaring))
             {
                 cache.Commit(batch => batch.Upsert(typeof(DeclaringDeck), new DeclaringDeck { Name = "b" }, b));
-                cache.Commit(batch => batch.UpsertVariant(v, b));
+                cache.Commit(batch => batch.UpsertVariant(v, b, new[] { cache.Override(typeof(DeclaringDeck), nameof(DeclaringDeck.Name), "v") }));
             }
 
             Rewrite(path, snapshot =>