diff --git a/data/StevenBlack/hosts b/data/StevenBlack/hosts
index 8e3d59faa..8bbb93a99 100644
--- a/data/StevenBlack/hosts
+++ b/data/StevenBlack/hosts
@@ -657,6 +657,9 @@
 # Telemetry Reporting
 0.0.0.0 browser.pipe.aria.microsoft.com
 
+# Mozilla Firefox telemetry
+0.0.0.0 incoming.telemetry.mozilla.org
+
 # Spam domains
 # If your software is able, the below domains and all subdomains should be blocked
 #*.angiemktg.com