diff --git a/core/device.cpp b/core/device.cpp
index 5f908493d..5dd42a190 100644
--- a/core/device.cpp
+++ b/core/device.cpp
@@ -406,15 +406,15 @@ QString Device::encryptionInfo() const
     QCryptographicHash::Algorithm digestAlgorithm = QCryptographicHash::Algorithm::Sha1;
 
     QString localSha1 = QString::fromLatin1(KdeConnectConfig::instance()->certificate().digest(digestAlgorithm).toHex());
-    for (int i=2 ; i<localSha1.size() ; i+=3) {
+    for (int i = 2; i<localSha1.size(); i += 3) {
         localSha1.insert(i, ':'); // Improve readability
     }
     result += i18n("SHA1 fingerprint of your device certificate is: %1\n", localSha1);
 
     std::string  remotePem = KdeConnectConfig::instance()->getDeviceProperty(id(), "certificate").toStdString();
-    QSslCertificate remoteCertificate = QSslCertificate(QByteArray(remotePem.c_str(), remotePem.size()));
+    QSslCertificate remoteCertificate = QSslCertificate(QByteArray(remotePem.c_str(), (int)remotePem.size()));
     QString remoteSha1 = QString::fromLatin1(remoteCertificate.digest(digestAlgorithm).toHex());
-    for (int i=2 ; i<remoteSha1.size() ; i+=3) {
+    for (int i = 2; i < remoteSha1.size(); i += 3) {
         remoteSha1.insert(i, ':'); // Improve readability
     }
     result += i18n("SHA1 fingerprint of remote device certificate is: %1\n", remoteSha1);