diff --git a/packages/opencode/src/data-migration.ts b/packages/opencode/src/data-migration.ts
index c3e5a9d2b0..0a2973de5d 100644
--- a/packages/opencode/src/data-migration.ts
+++ b/packages/opencode/src/data-migration.ts
@@ -36,7 +36,7 @@ export const layer = Layer.effect(
         if (completed) continue
 
         log.info("running data migration", { name: migration.name })
-        yield* migration.run
+        yield* migration.run.pipe(Effect.withSpan("DataMigration", { attributes: { name: migration.name } }))
         Database.use((db) =>
           db
             .insert(DataMigrationTable)