diff --git a/data/StevenBlack/hosts b/data/StevenBlack/hosts
index 49bc20ada..2eef81ad5 100644
--- a/data/StevenBlack/hosts
+++ b/data/StevenBlack/hosts
@@ -1219,3 +1219,10 @@
 # Viber App Ads
 0.0.0.0 s-bid.rmp.rakuten.com
 0.0.0.0 s-imp.rmp.rakuten.com
+
+# Issue #1050
+0.0.0.0 discoveryad.castoola.tv
+0.0.0.0 cdn.discoveryad.castoola.tv
+0.0.0.0 cdn.castoola.com
+0.0.0.0 castoola.com
+0.0.0.0 castoola.tv.lan
\ No newline at end of file