diff --git a/services/pascal-editor/packages/editor/src/components/editor/index.tsx b/services/pascal-editor/packages/editor/src/components/editor/index.tsx
index 022fefe91..026ce4195 100644
--- a/services/pascal-editor/packages/editor/src/components/editor/index.tsx
+++ b/services/pascal-editor/packages/editor/src/components/editor/index.tsx
@@ -23,6 +23,7 @@ import { ViewerZoneSystem } from '../../components/viewer-zone-system'
 import { type SaveStatus, useAutoSave } from '../../hooks/use-auto-save'
 import { useKeyboard } from '../../hooks/use-keyboard'
 import { type ActivePaintMaterial, hasActivePaintMaterial } from '../../lib/material-paint'
+import { withEditorBasePath } from '../../lib/public-asset-path'
 import {
   applySceneGraphToEditor,
   loadSceneFromLocalStorage,
@@ -738,7 +739,7 @@ const ViewerSceneContent = memo(function ViewerSceneContent({
   const noEditing = isVersionPreviewMode || isFirstPersonMode || isStudioMode || isCaptureMode
   return (
     <>
-      <SceneEnvironment />
+      <SceneEnvironment files={withEditorBasePath('/hdri/venice_sunset_1k.hdr')} />
       {!(isFirstPersonMode || isStudioMode || isCaptureMode) && <SelectionManager />}
       {!noEditing && <BoxSelectTool />}
       {!noEditing && <NodeArrowHandles />}
diff --git a/services/pascal-editor/packages/viewer/src/components/viewer/scene-environment.tsx b/services/pascal-editor/packages/viewer/src/components/viewer/scene-environment.tsx
index c17df4442..b9c1b6ea8 100644
--- a/services/pascal-editor/packages/viewer/src/components/viewer/scene-environment.tsx
+++ b/services/pascal-editor/packages/viewer/src/components/viewer/scene-environment.tsx
@@ -15,13 +15,13 @@ import { Suspense } from 'react'
  *
  * The HDR is self-hosted (drei's `preset="sunset"` resolves to the same
  * `venice_sunset_1k.hdr` on raw.githack.com, which intermittently fails).
- * Every app that mounts this — like `/audios/sfx` — must ship the file in its
- * own `public/hdri/`.
+ * Every app that mounts this must ship the file in its own `public/hdri/` and
+ * pass a base-path-aware URL when it is deployed below the site root.
  */
-export function SceneEnvironment() {
+export function SceneEnvironment({ files = '/hdri/venice_sunset_1k.hdr' }: { files?: string }) {
   return (
     <Suspense fallback={null}>
-      <Environment environmentIntensity={0.6} files="/hdri/venice_sunset_1k.hdr" />
+      <Environment environmentIntensity={0.6} files={files} />
     </Suspense>
   )
 }