foo.diff

diff --git a/client/rollup.config.mjs b/client/rollup.config.mjs
index c4fa3c1e6..5fa8d9b99 100644
--- a/client/rollup.config.mjs
+++ b/client/rollup.config.mjs
@@ -32,7 +32,7 @@ import {
   getWorkspaceAssetEntrypoints,
 } from '@reddit/shreddit.lib.orchestrator/workspaces.js';
 
-const DEFAULT_LOCALE = 'en-US';
+const DEFAULT_LOCALE = ['en-US', 'es-ES'];
 const INDEX_FILE_RE = /^index\./;
 
 const workspaces = getWorkspaces();
@@ -46,7 +46,7 @@ const locales = localeTransformers('../i18n/lit-localize-collect.json').filter((
   if (process.env.NODE_ENV === 'production') {
     return transformer;
   }
-  if (transformer.locale === DEFAULT_LOCALE) {
+  if (transformer.locale in DEFAULT_LOCALE) {
     return transformer;
   }
 });
@@ -123,7 +123,7 @@ const localizedBundles = locales.map(({ locale, localeTransformer }) => {
     );
   }
 
-  if (locale === DEFAULT_LOCALE) {
+  if (locale in DEFAULT_LOCALE) {
     config.plugins.push(
       perfbot.dependencyTree({
         outputDir: path.resolve(outputDir),