diff --git a/.replit b/.replit
index 5cca7a0..0f55809 100644
--- a/.replit
+++ b/.replit
@@ -16,6 +16,7 @@ PORT = "5000"
 deploymentTarget = "autoscale"
 run = ["node", "./dist/index.cjs"]
 build = ["npm", "run", "build"]
+publicDir = "dist/public"
 
 [workflows]
 runButton = "Project"
diff --git a/client/public/uploads/folx-stadl-21.jpg b/client/public/uploads/folx-stadl-21.jpg
new file mode 100644
index 0000000..047145b
Binary files /dev/null and b/client/public/uploads/folx-stadl-21.jpg differ
diff --git a/server/routes.ts b/server/routes.ts
index 168e10b..1f7407f 100644
--- a/server/routes.ts
+++ b/server/routes.ts
@@ -71,6 +71,10 @@ export async function registerRoutes(
     if (!parsed.success) {
       return res.status(400).json({ message: "Invalid article data", errors: parsed.error.flatten() });
     }
+    const existing = await storage.getArticleBySlug(parsed.data.slug);
+    if (existing) {
+      return res.status(409).json({ message: `Artikel "${existing.title}" existiert bereits (ID: ${existing.id})` });
+    }
     const article = await storage.createArticle(parsed.data);
     res.status(201).json(article);
   });