From 6897d453406a24ccb3b3f5274c401cf350bbc537 Mon Sep 17 00:00:00 2001
From: Jays2Kings <jays@outlook.com>
Date: Wed, 29 Jun 2022 13:11:44 -0400
Subject: [PATCH] Fix selfhosted sources crashing on download start

Fixes #1301
---
 .../main/java/eu/kanade/tachiyomi/data/download/Downloader.kt   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt b/app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt
index d738e82a6c..4af54715fd 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt
@@ -295,7 +295,7 @@ class Downloader(
                 val maxDownloadsFromSource = queue
                     .groupBy { it.source }
                     .filterKeys { it !is UnmeteredSource }
-                    .maxOf { it.value.size }
+                    .maxOfOrNull { it.value.size } ?: 0
                 if (
                     queuedDownloads > DOWNLOADS_QUEUED_WARNING_THRESHOLD ||
                     maxDownloadsFromSource > CHAPTERS_PER_SOURCE_QUEUE_WARNING_THRESHOLD