diff --git a/nw/gui/mainmenu.py b/nw/gui/mainmenu.py
index 7cb5274d..8c731c5b 100644
--- a/nw/gui/mainmenu.py
+++ b/nw/gui/mainmenu.py
@@ -157,7 +157,7 @@ class GuiMainMenu(QMenuBar):
         menuItem = QAction(QIcon.fromTheme("document-revert"), "Close Project", self)
         menuItem.setStatusTip("Close Project")
         menuItem.setShortcut("Ctrl+Shift+W")
-        menuItem.triggered.connect(lambda : self.theParent.closeProject(False))
+        menuItem.triggered.connect(self.theParent.closeProject)
         self.projMenu.addAction(menuItem)
 
         # Project > Recent Projects
diff --git a/nw/gui/winmain.py b/nw/gui/winmain.py
index 90e81481..2203bf89 100644
--- a/nw/gui/winmain.py
+++ b/nw/gui/winmain.py
@@ -214,12 +214,12 @@ class GuiMain(QMainWindow):
 
         return True
 
-    def closeProject(self, isYes=False):
+    def closeProject(self):
 
         if not self.hasProject:
             return True
 
-        if not isYes:
+        if self.mainConf.showGUI:
             msgBox = QMessageBox()
             msgRes = msgBox.question(
                 self, "Close Project",
diff --git a/tests/test_gui.py b/tests/test_gui.py
index 261f8ebf..7f141b47 100644
--- a/tests/test_gui.py
+++ b/tests/test_gui.py
@@ -27,7 +27,7 @@ def testMainWindows(qtbot, nwTempGUI, nwRef):
     nwGUI.theProject.handleSeed = 42
     assert nwGUI.newProject(nwTempGUI, True)
     assert nwGUI.saveProject()
-    assert nwGUI.closeProject(True)
+    assert nwGUI.closeProject()
 
     assert len(nwGUI.theProject.projTree) == 0
     assert len(nwGUI.theProject.treeOrder) == 0