diff --git a/call/rtp_payload_params.cc b/call/rtp_payload_params.cc
index ad8c1da..af3874b 100644
--- a/call/rtp_payload_params.cc
+++ b/call/rtp_payload_params.cc
@@ -138,6 +138,7 @@
   for (auto& spatial_layer : last_shared_frame_id_)
     spatial_layer.fill(-1);
 
+  chain_last_frame_id_.fill(-1);
   buffer_id_to_frame_id_.fill(-1);
 
   Random random(rtc::TimeMicros());