diff --git a/qtgui/systemtray.py b/qtgui/systemtray.py
index 7ab7e11..f02a904 100644
--- a/qtgui/systemtray.py
+++ b/qtgui/systemtray.py
@@ -36,7 +36,7 @@ class SystemTray(QtWidgets.QSystemTrayIcon):
     def __init__(self, mainWindow):
         super().__init__(QtGui.QIcon(":icon.png"))
         self.mainWindow = mainWindow
-        self.available = self.isSystemTrayAvailable()        
+        self.available = self.isSystemTrayAvailable()
         self.show()
         #self.showMessage("Title", "Helllo!", QtWidgets.QSystemTrayIcon.Information) #title, message, icon, timeout.  #has messageClicked() signal.
         #Don't build the context menu here. The engine is not ready to provide us with session information. Let the callbacks do it.
@@ -61,8 +61,7 @@ class SystemTray(QtWidgets.QSystemTrayIcon):
 
         nsmSessionName = api.currentSession()
 
-        
-        _add(QtCore.QCoreApplication.translate("TrayIcon", "Hide/Show Argodejo"), self.mainWindow.toggleVisible)
+        _add(QtCore.QCoreApplication.translate("TrayIcon", "Hide/Show Argodejo"), lambda: self.mainWindow.toggleVisible(force=None)) #explicit force=None because the qt signal is sending a bool
         menu.addSeparator()
 
         #Add other pre-defined actions
@@ -82,7 +81,7 @@ class SystemTray(QtWidgets.QSystemTrayIcon):
         else:
             for recentName in self.mainWindow.recentlyOpenedSessions.get():
                 _add(f"Session: {recentName}", lambda: api.sessionOpen(recentName))
-                
+
             _add(QtCore.QCoreApplication.translate("TrayIcon", "Quit "), self.mainWindow.menuRealQuit)
 
         self.setContextMenu(menu)
@@ -95,7 +94,7 @@ class SystemTray(QtWidgets.QSystemTrayIcon):
         QtWidgets.QSystemTrayIcon.Trigger
         QtWidgets.QSystemTrayIcon.MiddleClick
         """
-        logger.info(f"System tray activated with reason {qActivationReason}")        
+        logger.info(f"System tray activated with reason {qActivationReason}")
         if qActivationReason == QtWidgets.QSystemTrayIcon.Trigger:
             self.mainWindow.toggleVisible()