diff --git a/main.cpp b/main.cpp
index 88b2d51..89c4a41 100644
--- a/main.cpp
+++ b/main.cpp
@@ -7,11 +7,20 @@
 #include "version.h"
 
 int main(int argc, char *argv[]) {
-  argparse::ArgumentParser parser("labelme++");
-  parser.add_argument("-V", "--version")
+  argparse::ArgumentParser parser("labelme++", "0.0",
+                                  argparse::default_arguments::none);
+  parser.add_argument("--version", "-v")
       .default_value(false)
       .implicit_value(true)
       .help("show version");
+  parser.add_argument("--reset-config")
+      .default_value(false)
+      .implicit_value(true)
+      .help("reset qt config");
+  parser.add_argument("--logger-level")
+      .default_value(std::string{"debug"})
+      .choices("debug", "info", "warning", "fatal", "error")
+      .help("logger level");
 
   try {
     parser.parse_args(argc, argv);
diff --git a/widgets/label_dialog.h b/widgets/label_dialog.h
index bd66e88..958ffa2 100644
--- a/widgets/label_dialog.h
+++ b/widgets/label_dialog.h
@@ -24,9 +24,8 @@ class LabelDialog : public QDialog {
  public:
   explicit LabelDialog(const QString& text = "Enter object label",
                        QWidget* parent = nullptr,
-                       const QStringList& labels = {},
-                       const bool sort_labels = true,
-                       const bool show_text_field = true,
+                       const QStringList& labels = {}, bool sort_labels = true,
+                       bool show_text_field = true,
                        const QString& completion = "startwith",
                        const std::map<QString, bool>& fit_to_content = {},
                        const std::map<QString, bool>& flags = {});