--- a/Viewer.py	Mon Sep 08 16:56:48 2008 +0200
+++ b/Viewer.py	Mon Sep 08 16:59:37 2008 +0200
@@ -480,10 +480,10 @@
         self.HighlightedElement = None
     
     def Flush(self):
+        for element, iec_path in self.Subscribed.iteritems():
+            self.Controler.UnsubscribeDebugIECVariable(iec_path, element)
         for block in self.Blocks:
             block.Flush()
-        for element, iec_path in self.Subscribed.iteritems():
-            self.Controler.UnsubscribeDebugIECVariable(iec_path, element)
     
     # Remove all elements
     def CleanView(self):