1 files changed, 3 insertions, 2 deletions
diff --git a/cast/streaming/receiver_packet_router.cc b/cast/streaming/receiver_packet_router.cc
index 1ac4266a..23b99ce4 100644
--- a/cast/streaming/receiver_packet_router.cc
+++ b/cast/streaming/receiver_packet_router.cc
@@ -73,10 +73,11 @@ void ReceiverPacketRouter::OnReceivedPacket(const IPEndpoint& source,
       InspectPacketForRouting(packet);
   if (seems_like.first == ApparentPacketType::UNKNOWN) {
     constexpr int kMaxPartiaHexDumpSize = 96;
+    const std::size_t encode_size =
+        std::min(packet.size(), static_cast<size_t>(kMaxPartiaHexDumpSize));
     OSP_LOG_WARN << "UNKNOWN packet of " << packet.size()
                  << " bytes. Partial hex dump: "
-                 << HexEncode(absl::Span<const uint8_t>(packet).subspan(
-                        0, kMaxPartiaHexDumpSize));
+                 << HexEncode(packet.data(), encode_size);
     return;
   }
   auto it = receivers_.find(seems_like.second);