diff --git a/backend/src/Migrations/Migrations/MongoDb/ConvertDocumentIds.cs b/backend/src/Migrations/Migrations/MongoDb/ConvertDocumentIds.cs
index 62e6bfcdf..66d5fdabe 100644
--- a/backend/src/Migrations/Migrations/MongoDb/ConvertDocumentIds.cs
+++ b/backend/src/Migrations/Migrations/MongoDb/ConvertDocumentIds.cs
@@ -82,6 +82,8 @@ namespace Migrations.Migrations.MongoDb
             var collectionOld = database.GetCollection<BsonDocument>(collectionNameOld);
             var collectionNew = database.GetCollection<BsonDocument>(collectionNameNew);
 
+            await collectionNew.DeleteManyAsync(new BsonDocument());
+
             var batchBlock = new BatchBlock<BsonDocument>(SizeOfBatch, new GroupingDataflowBlockOptions
             {
                 BoundedCapacity = SizeOfQueue * SizeOfBatch
diff --git a/frontend/app-config/webpack.config.js b/frontend/app-config/webpack.config.js
index 9f8c9d4c1..d8aa0a3b2 100644
--- a/frontend/app-config/webpack.config.js
+++ b/frontend/app-config/webpack.config.js
@@ -304,7 +304,7 @@ module.exports = function (env) {
             new plugins.HtmlWebpackPlugin({
                 filename: 'theme.html',
                 hash: true, 
-                chunks: [],
+                chunks: ['app'],
                 chunksSortMode: 'none', 
                 template: 'app/_theme.html'
             })