diff --git a/lib/offline/storage.js b/lib/offline/storage.js
index fbeeb68f3e..4f4e79afdd 100644
--- a/lib/offline/storage.js
+++ b/lib/offline/storage.js
@@ -400,6 +400,10 @@ shaka.offline.Storage = class {
           downloader, config, activeHandle.cell, manifest, drmEngine);
       this.ensureNotDestroyed_();
 
+      this.setManifestDrmFields_(manifest, manifestDB, drmEngine, config);
+      await activeHandle.cell.updateManifest(manifestId, manifestDB);
+      this.ensureNotDestroyed_();
+
       const offlineUri = shaka.offline.OfflineUri.manifest(
           activeHandle.path.mechanism, activeHandle.path.cell, manifestId);