--- a/src/window.cpp
+++ b/src/window.cpp
@@ -193,6 +193,7 @@ void Window::performAction(KAuth::Action
     else if(filesystem == QString("f2fs")){
         qDebug() << "**** FORMATTING AS Flash-Friendly File System";
         
+        args << "-f";
         if(label.isEmpty()) 
             args << dirDev;
         else