diff --git a/src/engine/config/assets.ts b/src/engine/config/assets.ts
index 9731ad7..bf7981a 100644
--- a/src/engine/config/assets.ts
+++ b/src/engine/config/assets.ts
@@ -1,7 +1,7 @@
 import { type SpriteSpec, SPRITE_SPECS } from ".";
 import { SOUND_SPECS, SoundSpec } from "./sounds";
 
-const BASE_URL = import.meta.env.BASE_URL ?? document.location;
+const BASE_URL = import.meta.env.BASE_URL;
 
 export const FONT = new FontFace(
   "scientifica",
@@ -22,7 +22,7 @@ export const loadSpritesIntoImageElements = (
   for (const spriteSpec of spriteSpecs) {
     if (spriteSpec.sheet) {
       const img = new Image();
-      img.src = BASE_URL + spriteSpec.sheet;
+      img.src = document.location + spriteSpec.sheet;
       IMAGES.set(spriteSpec.sheet, img);
 
       spritePromises.push(
@@ -49,7 +49,7 @@ export const loadSoundsIntoAudioElements = (
 
   for (const soundSpec of soundSpecs) {
     if (soundSpec.url) {
-      const promise = fetch(BASE_URL + soundSpec.url)
+      const promise = fetch(document.location + soundSpec.url)
         .then((response) => response.blob())
         .then((blob) => {
           const audio = new Audio();