diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/core/network/CommonHeadersInterceptor.kt b/app/src/main/kotlin/org/koitharu/kotatsu/core/network/CommonHeadersInterceptor.kt
index 8a8094a14..30ca3e95a 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/core/network/CommonHeadersInterceptor.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/core/network/CommonHeadersInterceptor.kt
@@ -9,6 +9,7 @@ import okhttp3.Request
 import okhttp3.Response
 import okio.IOException
 import org.koitharu.kotatsu.BuildConfig
+import org.koitharu.kotatsu.core.model.UnknownMangaSource
 import org.koitharu.kotatsu.core.parser.MangaLoaderContextImpl
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.parser.ParserMangaRepository
@@ -29,13 +30,13 @@ class CommonHeadersInterceptor @Inject constructor(
 	override fun intercept(chain: Chain): Response {
 		val request = chain.request()
 		val source = request.tag(MangaSource::class.java)
-		val repository = if (source != null) {
-			mangaRepositoryFactoryLazy.get().create(source) as? ParserMangaRepository
-		} else {
-			if (BuildConfig.DEBUG) {
+		val repository = if (source == null || source == UnknownMangaSource) {
+			if (BuildConfig.DEBUG && source == null) {
 				Log.w("Http", "Request without source tag: ${request.url}")
 			}
 			null
+		} else {
+			mangaRepositoryFactoryLazy.get().create(source) as? ParserMangaRepository
 		}
 		val headersBuilder = request.headers.newBuilder()
 		repository?.getRequestHeaders()?.let {
diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/image/ui/ImageViewModel.kt b/app/src/main/kotlin/org/koitharu/kotatsu/image/ui/ImageViewModel.kt
index 167f635aa..cde609d67 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/image/ui/ImageViewModel.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/image/ui/ImageViewModel.kt
@@ -12,6 +12,7 @@ import dagger.hilt.android.lifecycle.HiltViewModel
 import dagger.hilt.android.qualifiers.ApplicationContext
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.runInterruptible
+import org.koitharu.kotatsu.core.model.MangaSource
 import org.koitharu.kotatsu.core.ui.BaseActivity
 import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
@@ -36,7 +37,7 @@ class ImageViewModel @Inject constructor(
 				.memoryCachePolicy(CachePolicy.READ_ONLY)
 				.data(savedStateHandle.require<Uri>(BaseActivity.EXTRA_DATA))
 				.memoryCachePolicy(CachePolicy.DISABLED)
-				.source(savedStateHandle[ImageActivity.EXTRA_SOURCE])
+				.source(MangaSource(savedStateHandle[ImageActivity.EXTRA_SOURCE]))
 				.build()
 			val bitmap = coil.execute(request).getDrawableOrThrow().toBitmap()
 			runInterruptible(Dispatchers.IO) {