diff --git a/call/simulated_network.h b/call/simulated_network.h
index 8597367add..02a37a3c43 100644
--- a/call/simulated_network.h
+++ b/call/simulated_network.h
@@ -36,7 +36,7 @@ namespace webrtc {
 // - Extra delay with or without packets reorder
 // - Packet overhead
 // - Queue max capacity
-class SimulatedNetwork : public SimulatedNetworkInterface {
+class RTC_EXPORT SimulatedNetwork : public SimulatedNetworkInterface {
  public:
   using Config = BuiltInNetworkBehaviorConfig;
   explicit SimulatedNetwork(Config config, uint64_t random_seed = 1);