diff --git a/src/core/jsonutil.cpp b/src/core/jsonutil.cpp
index 9d3bde3..b4d9dc3 100644
--- a/src/core/jsonutil.cpp
+++ b/src/core/jsonutil.cpp
@@ -67,10 +67,10 @@ void JsonUtil::importSellers(const std::filesystem::path& filePath, Marketplace*
     market->storeToDb();
 }
 
-void JsonUtil::exportSales(const std::string& filename, Marketplace* market, int cashPointNo)
+void JsonUtil::exportSales(const std::filesystem::path& filePath, Marketplace* market, int cashPointNo)
 {
     Json::Value root;
-    std::ofstream file(filename);
+    std::ofstream file(filePath);
 
     Json::StreamWriterBuilder builder;
     builder["commentStyle"] = "None";
diff --git a/src/core/jsonutil.h b/src/core/jsonutil.h
index 9ec6ddc..d85d79f 100644
--- a/src/core/jsonutil.h
+++ b/src/core/jsonutil.h
@@ -11,7 +11,7 @@ class JsonUtil
   public:
     static void exportSellers(const std::string& filename, Marketplace* market);
     static void importSellers(const std::filesystem::path& filePath, Marketplace* market);
-    static void exportSales(const std::string& filename, Marketplace* market, int cashPointNo);
+    static void exportSales(const std::filesystem::path& filePath, Marketplace* market, int cashPointNo);
     static void importSales(const std::filesystem::path& filePath, Marketplace* market, int cashPointNo);
 };
 
diff --git a/src/gui/mainwindow.cpp b/src/gui/mainwindow.cpp
index 280ca62..d9a1da5 100644
--- a/src/gui/mainwindow.cpp
+++ b/src/gui/mainwindow.cpp
@@ -425,7 +425,9 @@ void MainWindow::onExportSalesJsonActionTriggered()
     if (filename.isEmpty())
         return;
 
-    JsonUtil::exportSales(filename.toStdString(), marketplace_.get(),
+    std::filesystem::path filePath(filename.toStdWString());
+
+    JsonUtil::exportSales(filePath, marketplace_.get(),
                           settings.value("global/cashPointNo").toInt());
 }