diff --git a/pc/rtc_stats_collector.cc b/pc/rtc_stats_collector.cc
index 122ae9ff5f..6f5f035b57 100644
--- a/pc/rtc_stats_collector.cc
+++ b/pc/rtc_stats_collector.cc
@@ -347,10 +347,8 @@ void SetInboundRTPStreamStatsFromVoiceReceiverInfo(
   // |fir_count|, |pli_count| and |sli_count| are only valid for video and are
   // purposefully left undefined for audio.
   if (voice_receiver_info.last_packet_received_timestamp_ms) {
-    inbound_audio->last_packet_received_timestamp =
-        static_cast<double>(
-            *voice_receiver_info.last_packet_received_timestamp_ms) /
-        rtc::kNumMillisecsPerSec;
+    inbound_audio->last_packet_received_timestamp = static_cast<double>(
+        *voice_receiver_info.last_packet_received_timestamp_ms);
   }
   if (voice_receiver_info.estimated_playout_ntp_timestamp_ms) {
     inbound_audio->estimated_playout_timestamp = static_cast<double>(
diff --git a/pc/rtc_stats_collector_unittest.cc b/pc/rtc_stats_collector_unittest.cc
index 613484676e..1516bbaa3b 100644
--- a/pc/rtc_stats_collector_unittest.cc
+++ b/pc/rtc_stats_collector_unittest.cc
@@ -1864,7 +1864,7 @@ TEST_F(RTCStatsCollectorTest, CollectRTCInboundRTPStreamStats_Audio) {
 
   // Set previously undefined values and "GetStats" again.
   voice_media_info.receivers[0].last_packet_received_timestamp_ms = 3000;
-  expected_audio.last_packet_received_timestamp = 3.0;
+  expected_audio.last_packet_received_timestamp = 3000.0;
   voice_media_info.receivers[0].estimated_playout_ntp_timestamp_ms = 4567;
   expected_audio.estimated_playout_timestamp = 4567;
   voice_media_channel->SetStats(voice_media_info);