diff --git a/hotkey.py b/hotkey.py
index 5165e0b9..af2d9533 100644
--- a/hotkey.py
+++ b/hotkey.py
@@ -128,7 +128,7 @@ if platform == 'darwin':
             self.acquire_state = HotkeyMgr.ACQUIRE_INACTIVE
 
         def _acquire_poll(self):
-            if config.shutting_down:
+            if config.shutting_down():
                 return
 
             # No way of signalling to Tkinter from within the monkey-patched event handler that doesn't
@@ -350,8 +350,9 @@ elif platform == 'win32':
                             config.get_int('hotkey_always')
                             or WindowTitle(GetForegroundWindow()).startswith('Elite - Dangerous')
                     ):
-                        logger.debug('Sending event <<Invoke>>')
-                        self.root.event_generate('<<Invoke>>', when="tail")
+                        if not config.shutting_down:
+                            logger.debug('Sending event <<Invoke>>')
+                            self.root.event_generate('<<Invoke>>', when="tail")
 
                     else:
                         logger.debug('Passing key on')