diff --git a/converter.py b/converter.py
index 72d593e..0dde5c0 100644
--- a/converter.py
+++ b/converter.py
@@ -144,7 +144,7 @@ class Handler(watchdog.events.PatternMatchingEventHandler):
                 logging.error('Timeout waiting for file {} to exist. Aborting processing.'.format(event.src_path))
                 return
         
-        
+        historicalSize = -1
         while (historicalSize != os.path.getsize(event.src_path)):
             logging.info('waiting for copy to finish....')
             historicalSize = os.path.getsize(event.src_path)