diff --git a/pySim-read.py b/pySim-read.py
index cdab462..ed6cb29 100755
--- a/pySim-read.py
+++ b/pySim-read.py
@@ -106,9 +106,9 @@
 		print("ICCID: Can't read, response code = %s" % (sw,))
 
 	# EF.IMSI
-	(res, sw) = scc.read_binary(['3f00', '7f20', '6f07'])
+	(res, sw) = card.read_imsi()
 	if sw == '9000':
-		print("IMSI: %s" % (dec_imsi(res),))
+		print("IMSI: %s" % (res,))
 	else:
 		print("IMSI: Can't read, response code = %s" % (sw,))