diff --git a/sorteerhoed/central_management.py b/sorteerhoed/central_management.py
index 9bcbc76..dfa062a 100644
--- a/sorteerhoed/central_management.py
+++ b/sorteerhoed/central_management.py
@@ -99,7 +99,7 @@ class CentralManagement():
 #             
 #             
             
-#             self.eventQueue.put(Signal('start', {'ding':'test'}))
+            self.eventQueue.put(Signal('start', {'ding':'test'}))
             
             while self.isRunning.is_set():
                 time.sleep(.5)
@@ -229,7 +229,7 @@ class CentralManagement():
                     else:
                         self.logger.warning('DO NOT update status')
                 elif signal.name == 'plotter.finished':
-                    if self.currentHit.submit_page_at:
+                    if self.currentHit and self.currentHit.submit_page_at:
                         self.setLight(False)
                         scan = threading.Thread(target=self.scanImage, name='scan')
                         scan.start()