diff --git a/cardlistener.py b/cardlistener.py
old mode 100755
new mode 100644
index 028cf8a..96f287e
--- a/cardlistener.py
+++ b/cardlistener.py
@@ -46,7 +46,7 @@ if __name__ == '__main__':
     while True:
         print "Enter card ID:"
         cardID_input = keyboard.record(until='enter')
-        cardID = keyboard.get_typed_strings(cardID_input)[0]
+        cardID = keyboard.get_typed_strings(cardID_input).next()
         event = {}
         event["time"] = time.time()
         event["cardID"] = cardID