diff --git a/src/contents/ui/ConfirmUploadPopup.qml b/src/contents/ui/ConfirmUploadPopup.qml
--- a/src/contents/ui/ConfirmUploadPopup.qml
+++ b/src/contents/ui/ConfirmUploadPopup.qml
@@ -19,7 +19,7 @@
   property var total: fileUrls.length
   property int currentIndex: 0
   property var currentFile: fileUrls[currentIndex] || ''
-  property var currentFileBasename: currentFile.split('/').slice(-1)[0]
+  property var currentFileBasename: (new URL(currentFile)).toString().split('/').slice(-1)[0]
 
   title: l10n.get('confirm-upload-popup-title')