diff --git a/hwb1/card/install.cmd b/hwb1/card/install.cmd
index dddf7c7..6489f54 100644
--- a/hwb1/card/install.cmd
+++ b/hwb1/card/install.cmd
@@ -1,8 +1,4 @@
-SET LENGTH=07
-SET AID=01020304050608
-SET CONTROLLENGTH=02
-SET CONTROLINFO=1122
-SET PINLENGTH=04
 SET PIN=31323334
+
 @rem -f to force install over old version
-gp --install %~dp0..\javacard\%PACKAGE%.cap --params %LENGTH%%AID%%CONTROLLENGTH%%CONTROLINFO%%PINLENGTH%%PIN% -f
+gp --install %~dp0..\javacard\%PACKAGE%.cap --params %PIN% -f