diff --git a/scripts/build-plugins/rollup-plugin-build-themes.js b/scripts/build-plugins/rollup-plugin-build-themes.js
index c45c5aaa..3cb9ed0c 100644
--- a/scripts/build-plugins/rollup-plugin-build-themes.js
+++ b/scripts/build-plugins/rollup-plugin-build-themes.js
@@ -33,7 +33,7 @@ function appendVariablesToCSS(variables, cssSource) {
 
 function addThemesToConfig(bundle, manifestLocations, defaultThemes) {
     for (const [fileName, info] of Object.entries(bundle)) {
-        if (fileName === "assets/config.json") {
+        if (fileName === "config.json") {
             const source = new TextDecoder().decode(info.source);
             const config = JSON.parse(source);
             config["themeManifests"] = manifestLocations;
diff --git a/vite.config.js b/vite.config.js
index 53a7f452..72be0184 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -16,11 +16,17 @@ export default defineConfig(({mode}) => {
             sourcemap: true,
             rollupOptions: {
                 output: {
-                    assetFileNames: (asset) =>
-                        asset.name.includes("config.json") ||
-                        asset.name.match(/theme-.+\.json/)
-                            ? "assets/[name][extname]"
-                            : "assets/[name].[hash][extname]",
+                    assetFileNames: (asset) => {
+                        if (asset.name.includes("config.json")) {
+                            return "[name][extname]";
+                        }
+                        else if (asset.name.match(/theme-.+\.json/)) {
+                            return "assets/[name][extname]";
+                        }
+                        else {
+                            return "assets/[name].[hash][extname]";
+                        }
+                    }
                 },
             },
         },