diff --git a/packages/node_modules/pouchdb-adapter-indexeddb/src/bulkDocs.js b/packages/node_modules/pouchdb-adapter-indexeddb/src/bulkDocs.js
index fb049dc4c2..4d7768e60d 100644
--- a/packages/node_modules/pouchdb-adapter-indexeddb/src/bulkDocs.js
+++ b/packages/node_modules/pouchdb-adapter-indexeddb/src/bulkDocs.js
@@ -225,7 +225,7 @@ export default function (api, req, opts, metadata, dbOpts, idbChanges, callback)
 
     // If there have been revisions stemmed when merging trees,
     // delete their data
-    const revsToDelete = doc.stemmedRevs || [];
+    let revsToDelete = doc.stemmedRevs || [];
 
     if (autoCompaction && !isNewDoc) {
       revsToDelete = revsToDelete.concat(compactTree(doc));