From 8f144316a6f92dd067b7c0313cfc43cc4b02551d Mon Sep 17 00:00:00 2001
From: len <len@kanade.eu>
Date: Fri, 6 May 2016 15:44:01 +0200
Subject: [PATCH] Fix a crash when updating active category and no categories
 available

---
 .../java/eu/kanade/tachiyomi/ui/library/LibraryFragment.kt   | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryFragment.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryFragment.kt
index 0dc7a3f04..9a4699926 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryFragment.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryFragment.kt
@@ -204,8 +204,9 @@ class LibraryFragment : BaseRxFragment<LibraryPresenter>(), ActionMode.Callback
                 LibraryUpdateService.start(activity, true)
             }
             R.id.action_update_category -> {
-                val category = presenter.categories[view_pager.currentItem]
-                LibraryUpdateService.start(activity, true, category)
+                presenter.categories.getOrNull(view_pager.currentItem)?.let {
+                    LibraryUpdateService.start(activity, true, it)
+                }
             }
             R.id.action_edit_categories -> {
                 val intent = CategoryActivity.newIntent(activity)