diff --git a/Dump.py b/Dump.py
index ba7333a..0125801 100644
--- a/Dump.py
+++ b/Dump.py
@@ -37,7 +37,7 @@ while continue_reading:
     if status == MIFAREReader.MI_OK:
 
         # Print UID
-        print "Card read UID: "+str(uid[0])+","+str(uid[1])+","+str(uid[2])+","+str(uid[3])
+        print "Card read UID: %s,%s,%s,%s" % (uid[0], uid[1], uid[2], uid[3])
     
         # This is the default key for authentication
         key = [0xFF,0xFF,0xFF,0xFF,0xFF,0xFF]