diff --git address_tracker_linux.cc address_tracker_linux.cc
index 58a122f..8514790 100644
--- address_tracker_linux.cc
+++ address_tracker_linux.cc
@@ -221,7 +221,7 @@ void AddressTrackerLinux::Init() {
   {
     AddressTrackerAutoLock lock(*this, connection_type_lock_);
     connection_type_initialized_ = true;
-    connection_type_initialized_cv_.Signal();
+    connection_type_initialized_cv_.Broadcast();
   }
 
   if (tracking_) {
@@ -240,7 +240,7 @@ void AddressTrackerLinux::AbortAndForceOnline() {
   AddressTrackerAutoLock lock(*this, connection_type_lock_);
   current_connection_type_ = NetworkChangeNotifier::CONNECTION_UNKNOWN;
   connection_type_initialized_ = true;
-  connection_type_initialized_cv_.Signal();
+  connection_type_initialized_cv_.Broadcast();
 }
 
 AddressTrackerLinux::AddressMap AddressTrackerLinux::GetAddressMap() const {
diff --git network_change_notifier_mac.cc network_change_notifier_mac.cc
index 4468c0b..bd1f2d8 100644
--- network_change_notifier_mac.cc
+++ network_change_notifier_mac.cc
@@ -157,7 +157,7 @@ void NetworkChangeNotifierMac::SetInitialConnectionType() {
     base::AutoLock lock(connection_type_lock_);
     connection_type_ = connection_type;
     connection_type_initialized_ = true;
-    initial_connection_type_cv_.Signal();
+    initial_connection_type_cv_.Broadcast();
   }
 }