diff --git a/pySim/cards.py b/pySim/cards.py
index 9174ad5c..faaeca3a 100644
--- a/pySim/cards.py
+++ b/pySim/cards.py
@@ -612,6 +612,10 @@ class SysmoUSIMSJS1(Card):
 			content = "01" + p['opc']
 			data, sw = self._scc.update_binary('00F7', content)
 
+		# set Service Provider Name
+		content = enc_spn(p['name'], True, True)
+		data, sw = self._scc.update_binary('6F46', rpad(content, 32))
+
 		# write EF.IMSI
 		data, sw = self._scc.update_binary('6f07', enc_imsi(p['imsi']))
 
diff --git a/pysim-testdata/sysmoUSIM-SJS1.ok b/pysim-testdata/sysmoUSIM-SJS1.ok
index 5ad34e43..d9a90726 100644
--- a/pysim-testdata/sysmoUSIM-SJS1.ok
+++ b/pysim-testdata/sysmoUSIM-SJS1.ok
@@ -3,9 +3,9 @@ Reading ...
 ICCID: 1122334455667788990
 IMSI: 001010000000102
 SMSP: ffffffffffffffffffffffffffffffffffffffffffffffffe1ffffffffffffffffffffffff0581005155f5ffffffffffff000000
-SPN: 
-Display HPLMN: False
-Display OPLMN: False
+SPN: Magic
+Display HPLMN: True
+Display OPLMN: True
 PLMNsel: fff11fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
 PLMNwAcT:
 	fff11fffff # MCC: 1651 MNC: 151 AcT: UTRAN, E-UTRAN, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT