diff --git a/apps/inventar/apps/web/svelte.config.js b/apps/inventar/apps/web/svelte.config.js
index a7a917e4c..12e2985cd 100644
--- a/apps/inventar/apps/web/svelte.config.js
+++ b/apps/inventar/apps/web/svelte.config.js
@@ -8,6 +8,13 @@ const config = {
 		adapter: adapter({
 			out: 'build',
 		}),
+		prerender: {
+			handleHttpError: ({ path, message }) => {
+				// Ignore missing PNG assets (app only provides favicon.svg)
+				if (path.endsWith('.png')) return;
+				throw new Error(message);
+			},
+		},
 	},
 };