diff --git a/frontend/src/lib/components/toast.ts b/frontend/src/lib/components/toast.ts
index 8c1afb1a31..f1f1a84f19 100644
--- a/frontend/src/lib/components/toast.ts
+++ b/frontend/src/lib/components/toast.ts
@@ -1,8 +1,8 @@
 //regex that match path starting with u/ or f/ and with at least 2 /
 const pathRegex = /\b(u|f)\/[^\/\s]+\/[^\/\s]+\b/g
 
-export function processMessage(message: string): string {
-	return message.replaceAll(pathRegex, (path) => {
+export function processMessage(message: string | undefined): string {
+	return (message ?? 'Error without message').replaceAll(pathRegex, (path) => {
 		return `<span class="bg-surface-secondary p-1 text-xs font-mono whitespace-nowrap rounded-md">${path}</span>`
 	})
 }