diff --git a/pc/stats_collector.cc b/pc/stats_collector.cc
index 03eb59c..6bfce67 100644
--- a/pc/stats_collector.cc
+++ b/pc/stats_collector.cc
@@ -737,6 +737,7 @@
     report->AddString(StatsReport::kStatsValueNameCandidateTransportType,
                       candidate.protocol());
   }
+  report->set_timestamp(stats_gathering_started_);
 
   if (local && candidate_stats.stun_stats.has_value()) {
     const auto& stun_stats = candidate_stats.stun_stats.value();