diff --git a/src/core/jsonutil.cpp b/src/core/jsonutil.cpp
index 873bb7b..dc7e4dc 100644
--- a/src/core/jsonutil.cpp
+++ b/src/core/jsonutil.cpp
@@ -25,7 +25,7 @@ void JsonUtil::exportSellers(const std::filesystem::path& filePath, Marketplace*
     file << root.dump(4) << std::endl;
 }
 
-void JsonUtil::importSellers(const std::filesystem::path& filePath, Marketplace* market)
+std::size_t JsonUtil::importSellers(const std::filesystem::path& filePath, Marketplace* market)
 {
     for (auto& seller : market->getSellers()) {
         seller->setState(Seller::State::DELETE);
@@ -56,8 +56,9 @@ void JsonUtil::importSellers(const std::filesystem::path& filePath, Marketplace*
     }
 
     market->sortSellers();
-
     market->storeToDb();
+
+    return market->getSellers().size() - 1; // minus 1 because we don't count the "special" seller
 }
 
 void JsonUtil::exportSales(const std::filesystem::path& filePath, Marketplace* market, int cashPointNo)
diff --git a/src/core/jsonutil.h b/src/core/jsonutil.h
index 3663dcc..4d06ace 100644
--- a/src/core/jsonutil.h
+++ b/src/core/jsonutil.h
@@ -10,7 +10,7 @@ class JsonUtil
 {
   public:
     static void exportSellers(const std::filesystem::path& filePath, Marketplace* market);
-    static void importSellers(const std::filesystem::path& filePath, Marketplace* market);
+    static std::size_t importSellers(const std::filesystem::path& filePath, Marketplace* market);
     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 a39fbbd..0df9658 100644
--- a/src/gui/mainwindow.cpp
+++ b/src/gui/mainwindow.cpp
@@ -508,8 +508,18 @@ void MainWindow::onImportSellerJsonActionTriggered()
     fs::path filePath(filename.toStdString());
 #endif
 
-    JsonUtil::importSellers(filePath, marketplace_.get());
+    std::size_t numImported{};
+    numImported = JsonUtil::importSellers(filePath, marketplace_.get());
+
     updateStatLabel();
+
+    using namespace std::string_literals;
+    std::ostringstream msg;
+    msg << "Aus der JSON-Datei wurden <b>"s << std::to_string(numImported)
+        << "</b> Verkäufer importiert.";
+    QMessageBox(QMessageBox::Icon::Information, "Verkäufer erfolgreich importiert",
+                msg.str().c_str(), QMessageBox::StandardButton::Ok, this)
+        .exec();
 }
 
 void MainWindow::onExportSellerJsonActionTriggered()
@@ -520,7 +530,11 @@ void MainWindow::onExportSellerJsonActionTriggered()
     if (filename.isEmpty())
         return;
 
+#if defined(_WIN64) || defined(_WIN32)
     fs::path filePath(filename.toStdWString());
+#else
+    fs::path filePath(filename.toStdString());
+#endif
 
     JsonUtil::exportSellers(filePath, marketplace_.get());
 }