diff --git a/app/src/main/java/org/koitharu/kotatsu/core/model/MangaSource.kt b/app/src/main/java/org/koitharu/kotatsu/core/model/MangaSource.kt
index 9bd4ef5cf..22c2319bf 100644
--- a/app/src/main/java/org/koitharu/kotatsu/core/model/MangaSource.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/core/model/MangaSource.kt
@@ -1,10 +1,18 @@
 package org.koitharu.kotatsu.core.model
 
+import java.util.*
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.toTitleCase
-import java.util.*
 
 fun MangaSource.getLocaleTitle(): String? {
 	val lc = Locale(locale ?: return null)
 	return lc.getDisplayLanguage(lc).toTitleCase(lc)
+}
+
+@Suppress("FunctionName")
+fun MangaSource(name: String): MangaSource? {
+	MangaSource.values().forEach {
+		if (it.name == name) return it
+	}
+	return null
 }
\ No newline at end of file
diff --git a/app/src/main/java/org/koitharu/kotatsu/core/parser/FaviconMapper.kt b/app/src/main/java/org/koitharu/kotatsu/core/parser/FaviconMapper.kt
index ba5412a50..0f994ecaa 100644
--- a/app/src/main/java/org/koitharu/kotatsu/core/parser/FaviconMapper.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/core/parser/FaviconMapper.kt
@@ -5,7 +5,7 @@ import coil.map.Mapper
 import coil.request.Options
 import okhttp3.HttpUrl
 import okhttp3.HttpUrl.Companion.toHttpUrl
-import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.core.model.MangaSource
 
 class FaviconMapper : Mapper<Uri, HttpUrl> {
 
@@ -13,7 +13,7 @@ class FaviconMapper : Mapper<Uri, HttpUrl> {
 		if (data.scheme != "favicon") {
 			return null
 		}
-		val mangaSource = MangaSource.valueOf(data.schemeSpecificPart)
+		val mangaSource = MangaSource(data.schemeSpecificPart) ?: return null
 		val repo = MangaRepository(mangaSource) as RemoteMangaRepository
 		return repo.getFaviconUrl().toHttpUrl()
 	}
diff --git a/app/src/main/java/org/koitharu/kotatsu/settings/onboard/OnboardViewModel.kt b/app/src/main/java/org/koitharu/kotatsu/settings/onboard/OnboardViewModel.kt
index 2f1495243..05d7f0906 100644
--- a/app/src/main/java/org/koitharu/kotatsu/settings/onboard/OnboardViewModel.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/settings/onboard/OnboardViewModel.kt
@@ -3,15 +3,16 @@ package org.koitharu.kotatsu.settings.onboard
 import androidx.collection.ArraySet
 import androidx.core.os.LocaleListCompat
 import androidx.lifecycle.MutableLiveData
+import java.util.*
 import org.koitharu.kotatsu.base.ui.BaseViewModel
+import org.koitharu.kotatsu.core.model.MangaSource
 import org.koitharu.kotatsu.core.prefs.AppSettings
-import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.util.mapNotNullToSet
 import org.koitharu.kotatsu.parsers.util.mapToSet
 import org.koitharu.kotatsu.parsers.util.toTitleCase
 import org.koitharu.kotatsu.settings.onboard.model.SourceLocale
 import org.koitharu.kotatsu.utils.ext.map
 import org.koitharu.kotatsu.utils.ext.mapToSet
-import java.util.*
 
 class OnboardViewModel(
 	private val settings: AppSettings,
@@ -27,7 +28,7 @@ class OnboardViewModel(
 
 	init {
 		if (settings.isSourcesSelected) {
-			selectedLocales.removeAll(settings.hiddenSources.mapToSet { x -> MangaSource.valueOf(x).locale })
+			selectedLocales.removeAll(settings.hiddenSources.mapNotNullToSet { x -> MangaSource(x)?.locale })
 		} else {
 			val deviceLocales = LocaleListCompat.getDefault().mapToSet { x ->
 				x.language
@@ -66,7 +67,7 @@ class OnboardViewModel(
 			SourceLocale(
 				key = key,
 				title = locale?.getDisplayLanguage(locale)?.toTitleCase(locale),
-				isChecked = key in selectedLocales
+				isChecked = key in selectedLocales,
 			)
 		}.sortedWith(SourceLocaleComparator())
 	}