diff --git a/webrtc/base/network.cc b/webrtc/base/network.cc
index 5593b6d5ac..36d028b493 100644
--- a/webrtc/base/network.cc
+++ b/webrtc/base/network.cc
@@ -761,10 +761,9 @@ void BasicNetworkManager::StartNetworkMonitor() {
     if (!network_monitor_) {
       return;
     }
+    network_monitor_->SignalNetworksChanged.connect(
+        this, &BasicNetworkManager::OnNetworksChanged);
   }
-
-  network_monitor_->SignalNetworksChanged.connect(
-      this, &BasicNetworkManager::OnNetworksChanged);
   network_monitor_->Start();
 }