diff --git a/home/browser/firefox.nix b/home/browser/firefox.nix
index f2765031..04b3b9f6 100644
--- a/home/browser/firefox.nix
+++ b/home/browser/firefox.nix
@@ -102,6 +102,7 @@
           "browser.zoom.siteSpecific" = false;
           "distribution.searchplugins.defaultLocale" = "en-GB";
           "doh-rollout.home-region" = "GB";
+          "dom.private-attribution.submission.enabled" = false;
           "extensions.activeThemeID" = "default-theme@mozilla.org";
           "extensions.formautofill.creditCards.enabled" = false;
           "general.useragent.locale" = "en-GB";