--- a/src/window.cpp

+++ b/src/window.cpp

@@ -181,10 +181,18 @@ void Window::performAction(KAuth::Action

     else if(filesystem == QString("exfat")){

         qDebug() << "**** FORMATTING AS exFAT";

+	bool is_exfatprogs = true;

+	QProcess test_mkfs;

+	test_mkfs.start(QStringLiteral("/sbin/mkfs.exfat"), QStringList() << QStringLiteral("-V"));

+	test_mkfs.waitForFinished();

+	QByteArray test_mkfs_out = test_mkfs.readAllStandardOutput();

+	if( !test_mkfs_out.contains(QByteArray("exfatprogs")) ) {

+	    is_exfatprogs = false;

+	}

         if(label.isEmpty()) 

             args << dirDev;

         else 

-            args  << "-n"  << escapeLabel(label.mid(0, 16)) << dirDev;

+            args  << (is_exfatprogs? "-L": "-n")  << escapeLabel(label.mid(0, 16)) << dirDev;

         command = "/sbin/mkfs.exfat";