--- a/runtime/PLCObject.py	Sun Dec 06 19:06:36 2009 +0100
+++ b/runtime/PLCObject.py	Sun Dec 06 19:39:24 2009 +0100
@@ -399,7 +399,7 @@
                         break
             self._FreeDebugData()
             self.PLClibraryLock.release()
-            if offset == size:
+            if offset == size.value:
                 return self.PLCStatus, tick.value, res
             else:
                 PLCprint("Debug error - bad buffer unpack !")