diff --git a/utils/serieUtil.ts b/utils/serieUtil.ts
index 981b8ca..8e0271b 100644
--- a/utils/serieUtil.ts
+++ b/utils/serieUtil.ts
@@ -7,10 +7,11 @@ export async function getSeries(): Promise<Array<Serie>> {
 	const series = await Promise.all((await smartGlob('./db/data/*.js'))
 		.map((it) => it.substring(it.lastIndexOf('/') + 1, it.length - 3))
 		.map((it) => getSerie(it)))
-	const tmp: Array<[Serie, Set]> = await Promise.all(series.map( async (it) => {
+	const tmp: Array<[Serie, Set | undefined]> = await Promise.all(series.map( async (it) => {
 		return [it, (await getSets(it.name.en)).reduce<Set | undefined>((p, c) => p ? p.releaseDate < c.releaseDate ? p : c : c, undefined) as Set] as [Serie, Set]
 	}))
-	return tmp.sort((a, b) => a[1].releaseDate > b[1].releaseDate ? 1 : -1).map((it) => it[0])
+	tmp.forEach((t) => !t[1] && console.log(t[0].name) )
+	return tmp.sort((a, b) => (a[1] ? a[1].releaseDate : '0') > (b[1] ? b[1].releaseDate : '0') ? 1 : -1).map((it) => it[0])
 }
 
 export async function getSerie(name: string): Promise<Serie> {