diff --git a/src/blackcore/afv/clients/afvclient.cpp b/src/blackcore/afv/clients/afvclient.cpp
index 369c04d72..b45a5acdb 100644
--- a/src/blackcore/afv/clients/afvclient.cpp
+++ b/src/blackcore/afv/clients/afvclient.cpp
@@ -328,7 +328,7 @@ namespace BlackCore
             void AFVClient::audioOutDataAvailable(const AudioRxOnTransceiversDto &dto)
             {
                 IAudioDto audioData;
-                audioData.audio = QByteArray(dto.audio.data(), dto.audio.size());
+                audioData.audio = QByteArray(dto.audio.data(), static_cast<int>(dto.audio.size()));
                 audioData.callsign = QString::fromStdString(dto.callsign);
                 audioData.lastPacket = dto.lastPacket;
                 audioData.sequenceCounter = dto.sequenceCounter;
diff --git a/src/blackcore/afv/connection/clientconnection.cpp b/src/blackcore/afv/connection/clientconnection.cpp
index 09a9a9a9d..38c1a4e0c 100644
--- a/src/blackcore/afv/connection/clientconnection.cpp
+++ b/src/blackcore/afv/connection/clientconnection.cpp
@@ -158,7 +158,7 @@ namespace BlackCore
                 HeartbeatDto keepAlive;
                 keepAlive.callsign = m_connection.m_callsign.toStdString();
                 QByteArray dataBytes = CryptoDtoSerializer::Serialize(*m_connection.voiceCryptoChannel, CryptoDtoMode::AEAD_ChaCha20Poly1305, keepAlive);
-                m_udpSocket.writeDatagram(dataBytes, QHostAddress(voiceServerUrl.host()), voiceServerUrl.port());
+                m_udpSocket.writeDatagram(dataBytes, QHostAddress(voiceServerUrl.host()), static_cast<quint16>(voiceServerUrl.port()));
             }
         } // ns
     } // ns
diff --git a/src/blackcore/afv/connection/clientconnection.h b/src/blackcore/afv/connection/clientconnection.h
index 9472d3fef..d5c60fc2b 100644
--- a/src/blackcore/afv/connection/clientconnection.h
+++ b/src/blackcore/afv/connection/clientconnection.h
@@ -56,7 +56,7 @@ namespace BlackCore
                 {
                     QUrl voiceServerUrl("udp://" + m_connection.m_tokens.VoiceServer.addressIpV4);
                     QByteArray dataBytes = Crypto::CryptoDtoSerializer::Serialize(*m_connection.voiceCryptoChannel, CryptoDtoMode::AEAD_ChaCha20Poly1305, dto);
-                    m_udpSocket.writeDatagram(dataBytes, QHostAddress(voiceServerUrl.host()), voiceServerUrl.port());
+                    m_udpSocket.writeDatagram(dataBytes, QHostAddress(voiceServerUrl.host()), static_cast<quint16>(voiceServerUrl.port()));
                 }
 
                 bool receiveAudioDto() const;