diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/core/model/MangaSource.kt b/app/src/main/kotlin/org/koitharu/kotatsu/core/model/MangaSource.kt
index f1c20eedc..1db95d227 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/core/model/MangaSource.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/core/model/MangaSource.kt
@@ -28,9 +28,9 @@ data object UnknownMangaSource : MangaSource {
 fun MangaSource(name: String?): MangaSource {
 	when (name) {
 		null,
-		UnknownMangaSource.name -> UnknownMangaSource
+		UnknownMangaSource.name -> return UnknownMangaSource
 
-		LocalMangaSource.name -> LocalMangaSource
+		LocalMangaSource.name -> return LocalMangaSource
 	}
 	MangaParserSource.entries.forEach {
 		if (it.name == name) return it