diff --git a/tests/05_milenage_par.out b/tests/05_milenage_par.out
index dd11956..092cb82 100644
--- a/tests/05_milenage_par.out
+++ b/tests/05_milenage_par.out
@@ -13,6 +13,99 @@ Authenticating...
 
 Detected Card IMSI:  262423203000002
 
+Programming Milenage parameters...
+ * Initalizing...
+ * New Milenage Parameters for (EF.MLNGC):
+   C1: 1234567890abcdef1234567890abcdef
+   C2: f1234567890abcdef1234567890abcde
+   C3: ef1234567890abcdef1234567890abcd
+   C4: def1234567890abcdef1234567890abc
+   C5: cdef1234567890abcdef1234567890ab
+   R1: 0xaa
+   R2: 0xbb
+   R3: 0xcc
+   R4: 0xdd
+   R5: 0xee
+ * Programming...
+
+Done!
+sysmoUSIM-SJS1 parameterization tool
+Copyright (c)2017 Sysmocom s.f.m.c. GmbH
+
+Initializing smartcard terminal...
+
+Detected Card ICCID:  8988211320300000028
+
+Authenticating...
+ * Remaining attempts: 3
+ * Authenticating...
+ * Authentication successful
+ * Remaining attempts: 3
+
+Detected Card IMSI:  262423203000002
+
+Reading Milenage parameters...
+ * Initalizing...
+ * Reading...
+ * Current Milenage Parameters in (EF.MLNGC):
+   C1: 1234567890abcdef1234567890abcdef
+   C2: f1234567890abcdef1234567890abcde
+   C3: ef1234567890abcdef1234567890abcd
+   C4: def1234567890abcdef1234567890abc
+   C5: cdef1234567890abcdef1234567890ab
+   R1: 0xaa
+   R2: 0xbb
+   R3: 0xcc
+   R4: 0xdd
+   R5: 0xee
+
+Done!
+sysmoUSIM-SJS1 parameterization tool
+Copyright (c)2017 Sysmocom s.f.m.c. GmbH
+
+Initializing smartcard terminal...
+
+Detected Card ICCID:  8988211320300000028
+
+Authenticating...
+ * Remaining attempts: 3
+ * Authenticating...
+ * Authentication successful
+ * Remaining attempts: 3
+
+Detected Card IMSI:  262423203000002
+
+Programming Milenage parameters...
+ * Initalizing...
+ * New Milenage Parameters for (EF.MLNGC):
+   C1: 00000000000000000000000000000000
+   C2: 00000000000000000000000000000001
+   C3: 00000000000000000000000000000002
+   C4: 00000000000000000000000000000004
+   C5: 00000000000000000000000000000008
+   R1: 0x40
+   R2: 0x0
+   R3: 0x20
+   R4: 0x40
+   R5: 0x60
+ * Programming...
+
+Done!
+sysmoUSIM-SJS1 parameterization tool
+Copyright (c)2017 Sysmocom s.f.m.c. GmbH
+
+Initializing smartcard terminal...
+
+Detected Card ICCID:  8988211320300000028
+
+Authenticating...
+ * Remaining attempts: 3
+ * Authenticating...
+ * Authentication successful
+ * Remaining attempts: 3
+
+Detected Card IMSI:  262423203000002
+
 Reading Milenage parameters...
  * Initalizing...
  * Reading...
diff --git a/tests/05_milenage_par.sh b/tests/05_milenage_par.sh
index ed60f9e..78c9a1a 100755
--- a/tests/05_milenage_par.sh
+++ b/tests/05_milenage_par.sh
@@ -1,5 +1,24 @@
 #!/bin/sh
 . ./test-data
 
-# we only test reading here
+# Write and reread with test data
+C1="1234567890ABCDEF1234567890ABCDEF"
+C2="F1234567890ABCDEF1234567890ABCDE"
+C3="EF1234567890ABCDEF1234567890ABCD"
+C4="DEF1234567890ABCDEF1234567890ABC"
+C5="CDEF1234567890ABCDEF1234567890AB"
+R12345="AA:BB:CC:DD:EE"
+PARAMS=$C1$C2$C3$C4$C5$R12345
+$TOOL -a $ADMPIN -L $PARAMS
+$TOOL -a $ADMPIN -l
+
+# Write and reread with factory defaults
+C1="00000000000000000000000000000000"
+C2="00000000000000000000000000000001"
+C3="00000000000000000000000000000002"
+C4="00000000000000000000000000000004"
+C5="00000000000000000000000000000008"
+R12345="40:00:20:40:60"
+PARAMS=$C1$C2$C3$C4$C5$R12345
+$TOOL -a $ADMPIN -L $PARAMS
 $TOOL -a $ADMPIN -l