diff --git a/VendServer/VendServer.py b/VendServer/VendServer.py
index 8fbf11edda11d6902099a9a3a1d0ca37d93bba05..c16cff1075298c73af53dc4b371f17cfaaf189c6 100755
--- a/VendServer/VendServer.py
+++ b/VendServer/VendServer.py
@@ -887,6 +887,7 @@ def handle_mifare_event(state, event, params, v, vstatus):
 			 (center('SORRY'), False, 0.5)])
 		vstatus.cur_user = ''
 		vstatus.cur_pin = ''
+		_last_card_id = -1
 	
 		reset_idler(v, vstatus, 2)
 		return