diff --git a/components/p3a/metric_names.h b/components/p3a/metric_names.h
index a881bf072a48..0ce720dea489 100644
--- a/components/p3a/metric_names.h
+++ b/components/p3a/metric_names.h
@@ -49,6 +49,7 @@ inline constexpr auto kCollectedTypicalHistograms =
     "Brave.DNS.AutoSecureRequests",
     "Brave.DNS.SecureSetting",
     "Brave.Extensions.AdBlock",
+    "Brave.IOS.IsLikelyDefault",
 
     // IPFS
     "Brave.IPFS.DaemonRunTime",