diff --git a/assets/checksums.txt b/assets/checksums.txt
index 49e5bb196..f484fe826 100644
--- a/assets/checksums.txt
+++ b/assets/checksums.txt
@@ -1,5 +1,5 @@
 b8fd6f6a836d34e0629dca07424d7bd8 assets/ublock/privacy.txt
-5fcd9aa1f6c9e5d35c69054438a84b53 assets/ublock/filters.txt
+ce91a0f0be1fd8829b078fa3bffcf575 assets/ublock/filters.txt
 c9c5cc56bec563bc1885847f925b9be2 assets/ublock/mirror-candidates.txt
 77516c4443fb629fc6b1b91b26004cc9 assets/ublock/filter-lists.json
 132b3ecc9da8a68c3faf740c00af734b assets/thirdparties/adblock-plus-japanese-filter.googlecode.com/hg/abp_jp.txt
diff --git a/assets/ublock/filters.txt b/assets/ublock/filters.txt
index e5c8e95c6..eeabf62a0 100644
--- a/assets/ublock/filters.txt
+++ b/assets/ublock/filters.txt
@@ -306,3 +306,6 @@ deviantart.com##.dp-ad-chrome.dp-ad-visible
 
 # http://www.reddit.com/r/ublock/comments/32k908/cnncom_videos_wont_load_w_%C2%B5block_enabled/
 @@||i.cdn.turner.com/xslo/cvp/ads/freewheel/bundles/2/*$domain=cnn.com
+
+# https://github.com/chrisaljoudi/uBlock/issues/1013
+||mac-system-alert.com^