diff --git a/src/core/excelreader.cpp b/src/core/excelreader.cpp
index 5d14584..14ee63c 100644
--- a/src/core/excelreader.cpp
+++ b/src/core/excelreader.cpp
@@ -2,7 +2,7 @@
 
 #include <xlnt/xlnt.hpp>
 
-void ExcelReader::readSellersFromFile(const std::string& filename, Marketplace* market)
+void ExcelReader::readSellersFromFile(std::filesystem::path& filePath, Marketplace* market)
 {
     for (auto& seller : market->getSellers()) {
         seller->setState(Seller::State::DELETE);
@@ -10,7 +10,7 @@ void ExcelReader::readSellersFromFile(const std::string& filename, Marketplace*
     market->storeToDb(true);
 
     xlnt::workbook wb;
-    wb.load(filename);
+    wb.load(filePath);
     auto ws = wb.sheet_by_index(0);
 
     const int START_ROW = 5;
diff --git a/src/core/excelreader.h b/src/core/excelreader.h
index 9278441..1d8b945 100644
--- a/src/core/excelreader.h
+++ b/src/core/excelreader.h
@@ -1,9 +1,10 @@
 #ifndef EXCEL_READER_H
 #define EXCEL_READER_H
 
-#include "seller.h"
 #include "marketplace.h"
+#include "seller.h"
 
+#include <filesystem>
 #include <memory>
 #include <string>
 #include <vector>
@@ -11,8 +12,7 @@
 class ExcelReader
 {
   public:
-    static void readSellersFromFile(const std::string& filename,
-                                    Marketplace* market);
+    static void readSellersFromFile(std::filesystem::path& filePath, Marketplace* market);
 };
 
 #endif
\ No newline at end of file
diff --git a/src/gui/mainwindow.cpp b/src/gui/mainwindow.cpp
index 5fe2a88..689beb2 100644
--- a/src/gui/mainwindow.cpp
+++ b/src/gui/mainwindow.cpp
@@ -16,6 +16,7 @@
 
 #include <exception>
 #include <regex>
+#include <filesystem>
 
 #include <QFileDialog>
 #include <QMessageBox>
@@ -376,8 +377,10 @@ void MainWindow::onImportSellerExcelActionTriggered()
 
     if (filename.isEmpty())
         return;
-    std::u16string fname16 = filename.toStdU16String();
-    ExcelReader::readSellersFromFile(convertFromUtf16ToUtf8(fname16), marketplace_.get());
+    
+    std::filesystem::path filePath(filename.toStdU16String());
+    
+    ExcelReader::readSellersFromFile(filePath, marketplace_.get());
 }
 
 void MainWindow::onImportSellerJsonActionTriggered()