diff --git a/pysim-testdata/sysmoUSIM-SJS1.data b/pysim-testdata/sysmoUSIM-SJS1.data
index b7c1e81..c23f9f1 100644
--- a/pysim-testdata/sysmoUSIM-SJS1.data
+++ b/pysim-testdata/sysmoUSIM-SJS1.data
@@ -4,4 +4,5 @@
 KI=FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
 OPC=FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
 IMSI=001010000000102
+MSISDN=+77776336143
 ADM=55538407