diff --git a/docker/schwarzesbrett/Dockerfile b/docker/schwarzesbrett/Dockerfile
index f0e5bd6..51bb3bf 100644
--- a/docker/schwarzesbrett/Dockerfile
+++ b/docker/schwarzesbrett/Dockerfile
@@ -20,3 +20,4 @@ COPY --from=builder /src/vite.config.js .
 
 EXPOSE 8080
 CMD [ "yarn", "preview", "--host", "--port", "8080" ]
+# CMD [ "env" ]
diff --git a/docker/schwarzesbrett/src/lib/api.ts b/docker/schwarzesbrett/src/lib/api.ts
index 63607f5..3348397 100644
--- a/docker/schwarzesbrett/src/lib/api.ts
+++ b/docker/schwarzesbrett/src/lib/api.ts
@@ -1,5 +1,5 @@
-export const API_ROOT_URL = new URL("http://techgames.gnetx.com/infoscreen");
-export const CONTENT_ROOT_URL = new URL("/listings", API_ROOT_URL);
+export const API_ROOT_URL = "http://techgames.gnetx.com/infoscreen";
+export const CONTENT_ROOT_URL = `${API_ROOT_URL}/listings`;
 
 export enum ListingType {
   IMAGE = "IMAGE",
@@ -25,6 +25,6 @@ export async function fetchData(): Promise<Data> {
   return await response.json();
 }
 
-export function generateContentURL(content: string): URL {
-  return new URL(encodeURIComponent(content), CONTENT_ROOT_URL);
+export function generateContentURL(content: string): string {
+  return `${CONTENT_ROOT_URL}/${encodeURIComponent(content)}`;
 }
diff --git a/docker/schwarzesbrett/src/routes/index.svelte b/docker/schwarzesbrett/src/routes/index.svelte
index 7d0aed6..cb4b238 100644
--- a/docker/schwarzesbrett/src/routes/index.svelte
+++ b/docker/schwarzesbrett/src/routes/index.svelte
@@ -42,9 +42,7 @@
     {#if data.listings[listingIndex].type == api.ListingType.IMAGE}
       <img
         class="center dynamic-size"
-        src={api
-          .generateContentURL(data.listings[listingIndex].content)
-          .toString()}
+        src={api.generateContentURL(data.listings[listingIndex].content)}
         alt={data.listings[listingIndex].name}
         on:load={() =>
           handleTime(
@@ -65,9 +63,7 @@
         on:ended={() => updateListingIndex(data.listings.length)}
       >
         <source
-          src={api
-            .generateContentURL(data.listings[listingIndex].content)
-            .toString()}
+          src={api.generateContentURL(data.listings[listingIndex].content)}
         />
         <track kind="captions" />
         <b class="error">Videos are not supported!</b>