diff --git a/lib/mfrc522/source/read.py b/lib/mfrc522/source/read.py
index e72ac16..b1b2b2f 100644
--- a/lib/mfrc522/source/read.py
+++ b/lib/mfrc522/source/read.py
@@ -34,5 +34,6 @@ if status == MIFAREReader.MI_OK:
 
 else:
 
+    print 127;
     exit(127);