diff --git a/lib/stencil-bundle.js b/lib/stencil-bundle.js
index 018a40d7..f6722068 100644
--- a/lib/stencil-bundle.js
+++ b/lib/stencil-bundle.js
@@ -362,7 +362,7 @@ function bundleThemeFiles(archive, themePath, configuration) {
  */
 function bundleParsedFiles(archive, taskResults) {
     const archiveJsonFile = (data, name) => {
-        archive.append(JSON.stringify(data), { name });
+        archive.append(JSON.stringify(data, null, 2), { name });
     }
     const failedTemplates = [];
     for (let task in taskResults) {