diff --git a/FlatCAMApp.py b/FlatCAMApp.py
index 38d21e23..c4d96468 100644
--- a/FlatCAMApp.py
+++ b/FlatCAMApp.py
@@ -5104,7 +5104,7 @@ class App(QtCore.QObject):
 
         :return: None
         """
-        self.save_defaults()
+        self.save_defaults(silent=True)
         log.debug("App.final_save() --> App Defaults saved.")
 
         if self.cmd_line_headless != 1:
@@ -5139,10 +5139,13 @@ class App(QtCore.QObject):
 
         log.debug("App.final_save() --> App UI state saved.")
 
-        QtWidgets.qApp.quit()
-
+        # QtWidgets.qApp.quit()
+        QtCore.QCoreApplication.exit()
         if sys.platform != 'win32':
-            sys.exit()
+            try:
+                sys.exit()
+            except Exception:
+                pass
 
     def on_portable_checked(self, state):
         """
diff --git a/README.md b/README.md
index 01c68b91..c8d6ada9 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,7 @@ CAD program, and create G-Code for Isolation routing.
 - in Transform Tool mae sure that the buffer sub-tool parameters are better explained in tooltips
 - attempt to make TclCommand quit_flatcam work under Linux
 - some fixes in the NCC Tcl command (using the bool() method on some params)
+- another attempt to make TclCommand quit_flatcam work under Linux
 
 29.12.2019