diff --git a/cli/mainfeatures.cpp b/cli/mainfeatures.cpp
index d09a67f..e3dd8c6 100644
--- a/cli/mainfeatures.cpp
+++ b/cli/mainfeatures.cpp
@@ -874,7 +874,7 @@ void setTagInfo(const SetTagInfoArgs &args)
             auto modifiedFilePath = std::filesystem::path();
             fileInfo.setSaveFilePath(currentOutputFile != noMoreOutputFiles ? string(*currentOutputFile) : string());
             if (args.preserveModificationTimeArg.isPresent()) {
-                modifiedFilePath = fileInfo.saveFilePath().empty() ? fileInfo.path() : fileInfo.saveFilePath();
+                modifiedFilePath = std::filesystem::u8path(fileInfo.saveFilePath().empty() ? fileInfo.path() : fileInfo.saveFilePath());
                 modificationDate = std::filesystem::last_write_time(modifiedFilePath, modificationDateError);
             }
             try {
diff --git a/gui/tageditorwidget.cpp b/gui/tageditorwidget.cpp
index c5703aa..e75d24f 100644
--- a/gui/tageditorwidget.cpp
+++ b/gui/tageditorwidget.cpp
@@ -1187,7 +1187,7 @@ bool TagEditorWidget::startSaving()
             auto modificationDate = std::filesystem::file_time_type();
             auto modifiedFilePath = std::filesystem::path();
             if (preserveModificationTime) {
-                modifiedFilePath = m_fileInfo.saveFilePath().empty() ? m_fileInfo.path() : m_fileInfo.saveFilePath();
+                modifiedFilePath = std::filesystem::u8path(m_fileInfo.saveFilePath().empty() ? m_fileInfo.path() : m_fileInfo.saveFilePath());
                 modificationDate = std::filesystem::last_write_time(modifiedFilePath, modificationDateError);
             }
             try {