diff --git a/viewer/loaders.js b/viewer/loaders.js
index e6e23d5..d551d77 100644
--- a/viewer/loaders.js
+++ b/viewer/loaders.js
@@ -254,7 +254,7 @@ function getEnvironmentTextureForPreset(renderer, preset = "neutral") {
           // Load HDR map for other presets
           const HDRLoader = await loadHDRLoader();
           const loader = new HDRLoader();
-          const baseModulePath = core.DFG_ASSETS || core.CONFIG?.baseModulePath || '/assets';
+          const baseModulePath = core.CONFIG?.baseModulePath || core.DFG_ASSETS || '/assets';
           const mapFilename = preset === "goldenHour" ? "golden_hour.hdr" : `${preset}.hdr`;
           const mapUrl = `${baseModulePath.replace(/\/$/, '')}/maps/${mapFilename}`;
           
@@ -676,28 +676,24 @@ export async function loadModel() {
 }
 
 export const getModuleAssetBasePath = function() {
-  let basePath = sanitizeModuleAssetBasePath(core.DFG_ASSETS || core.CONFIG?.baseModulePath);
-
+  const configuredPath = sanitizeModuleAssetBasePath(core.CONFIG?.baseModulePath);
+  let basePath = configuredPath || sanitizeModuleAssetBasePath(core.DFG_ASSETS);
   if (!basePath && typeof import.meta !== 'undefined' && import.meta.url) {
     const moduleUrl = new URL(import.meta.url);
     basePath = moduleUrl.pathname.includes('/assets/')
       ? new URL('../assets/', moduleUrl).pathname.replace(/\/$/, '')
       : new URL('./assets/', moduleUrl).pathname.replace(/\/$/, '');
   }
-
   if (!basePath) {
     basePath = '/assets';
   }
-
-  // Override for localhost
-  if (core.isLocalPreview) {
+  // Standalone local dev servers expose assets at /assets; embedded hosts provide baseModulePath.
+  if (core.isLocalPreview && !configuredPath) {
     basePath = '/assets';
   }
-
   basePath = sanitizeModuleAssetBasePath(basePath);
-
   console.log('[loaders] resolved ModuleAssetBasePath:', basePath);
-  core.CONFIG.baseModulePath = basePath; // Cache for future use
+  core.CONFIG.baseModulePath = basePath;
   core.DFG_ASSETS = basePath;
   return basePath;
 };
diff --git a/viewer/main.js b/viewer/main.js
index 3493a91..69b4fdf 100644
--- a/viewer/main.js
+++ b/viewer/main.js
@@ -3662,10 +3662,6 @@ export const Viewer = {
 
       setCore('mainCanvas', Viewer.mainCanvas);
       if (!core.PRESENTATION_MODE) {
-        const scriptUrl = document.currentScript?.src || import.meta.url;
-        Viewer.DFG_ASSETS = scriptUrl.replace(/\/[^\/]*$/, '');
-
-        setCore('DFG_ASSETS', Viewer.DFG_ASSETS);
         getModuleAssetBasePath();
 
         Viewer.actionMenu = document.createElement("div");