diff --git a/cpp/core/internal/offline_frames_validator.cc b/cpp/core/internal/offline_frames_validator.cc
index 807997e2..209d206b 100644
--- a/cpp/core/internal/offline_frames_validator.cc
+++ b/cpp/core/internal/offline_frames_validator.cc
@@ -35,6 +35,7 @@ using WifiAwareCredentials = UpgradePathInfo::WifiAwareCredentials;
 using WifiDirectCredentials = UpgradePathInfo::WifiDirectCredentials;
 using BluetoothCredentials = UpgradePathInfo::BluetoothCredentials;
 using WebRtcCredentials = UpgradePathInfo::WebRtcCredentials;
+using Medium = location::nearby::connections::Medium;
 
 constexpr absl::string_view kIpv4PatternString{
     "^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
@@ -239,7 +240,7 @@ Exception EnsureValidBandwidthUpgradePathAvailableFrame(
     const UpgradePathInfo& upgrade_path_info) {
   if (!upgrade_path_info.has_medium())
     return {Exception::kInvalidProtocolBuffer};
-  switch (upgrade_path_info.medium()) {
+  switch (static_cast<Medium>(upgrade_path_info.medium())) {
     case Medium::WIFI_HOTSPOT:
       if (upgrade_path_info.has_wifi_hotspot_credentials()) {
         return EnsureValidBandwidthUpgradeWifiHotspotPathAvailableFrame(
diff --git a/cpp/core/internal/wifi_lan_bwu_handler.cc b/cpp/core/internal/wifi_lan_bwu_handler.cc
index d0585d87..93d0dd40 100644
--- a/cpp/core/internal/wifi_lan_bwu_handler.cc
+++ b/cpp/core/internal/wifi_lan_bwu_handler.cc
@@ -110,7 +110,7 @@ WifiLanBwuHandler::CreateUpgradedEndpointChannel(
   }
 
   const std::string& ip_address = wifi_lan_socket.ip_address();
-  int32 port = wifi_lan_socket.wifi_port();
+  std::int32_t port = wifi_lan_socket.wifi_port();
 
   WifiLanService wifi_lan_service =
       wifi_lan_medium_.GetRemoteWifiLanService(ip_address, port);