diff --git a/call/fake_network_pipe.cc b/call/fake_network_pipe.cc
index e2fa2f4e99..dd8d5d7552 100644
--- a/call/fake_network_pipe.cc
+++ b/call/fake_network_pipe.cc
@@ -43,6 +43,7 @@ NetworkPacket::NetworkPacket(rtc::CopyOnWriteBuffer packet,
       is_rtcp_(is_rtcp),
       media_type_(media_type),
       packet_time_us_(packet_time_us) {}
+
 NetworkPacket::NetworkPacket(rtc::CopyOnWriteBuffer packet,
                              int64_t send_time,
                              int64_t arrival_time,
@@ -87,6 +88,20 @@ FakeNetworkPipe::FakeNetworkPipe(Clock* clock,
                                  const FakeNetworkPipe::Config& config)
     : FakeNetworkPipe(clock, config, nullptr, 1) {}
 
+FakeNetworkPipe::FakeNetworkPipe(
+    Clock* clock,
+    std::unique_ptr<NetworkSimulationInterface> network_simulation)
+    : clock_(clock),
+      network_simulation_(std::move(network_simulation)),
+      receiver_(nullptr),
+      transport_(nullptr),
+      clock_offset_ms_(0),
+      dropped_packets_(0),
+      sent_packets_(0),
+      total_packet_delay_us_(0),
+      next_process_time_us_(clock_->TimeInMicroseconds()),
+      last_log_time_us_(clock_->TimeInMicroseconds()) {}
+
 FakeNetworkPipe::FakeNetworkPipe(Clock* clock,
                                  const FakeNetworkPipe::Config& config,
                                  PacketReceiver* receiver)
diff --git a/call/fake_network_pipe.h b/call/fake_network_pipe.h
index 531329ee72..6a2ff3548d 100644
--- a/call/fake_network_pipe.h
+++ b/call/fake_network_pipe.h
@@ -105,6 +105,10 @@ class FakeNetworkPipe : public Transport, public PacketReceiver, public Module {
 
   // Use these constructors if you plan to insert packets using DeliverPacket().
   FakeNetworkPipe(Clock* clock, const FakeNetworkPipe::Config& config);
+  // Will keep |network_simulation| alive while pipe is alive itself.
+  FakeNetworkPipe(
+      Clock* clock,
+      std::unique_ptr<NetworkSimulationInterface> network_simulation);
   FakeNetworkPipe(Clock* clock,
                   const FakeNetworkPipe::Config& config,
                   PacketReceiver* receiver);