diff --git a/iocsh/test_4ax_box.script b/iocsh/test_4ax_box.script
index f42aa84..640da35 100644
--- a/iocsh/test_4ax_box.script
+++ b/iocsh/test_4ax_box.script
@@ -62,14 +62,14 @@ epicsEnvSet(EC_RAMP_DOWN,"ec${ECMC_EC_MASTER_ID}.s${BI_SLAVE}.binaryInput08.0")
 epicsEnvSet(EC_AXES_REST,"ec${ECMC_EC_MASTER_ID}.s${BO_SLAVE}.binaryOutput07.0")
 epicsEnvSet(EC_AXES_MAX_VELO,"ec${ECMC_EC_MASTER_ID}.s${BO_SLAVE}.ONE.0")
 epicsEnvSet(SAFETY_TIMEOUT,500)
-${SCRIPTEXEC} ${ecmc_plugin_safety_DIR}addSS1Group.cmd "NAME=first,EC_RAMP_DOWN=${EC_RAMP_DOWN},EC_AXES_REST=${EC_AXES_REST},${EC_AXES_MAX_VELO},DELAY_MS=${SAFETY_TIMEOUT}"
+${SCRIPTEXEC} ${ecmc_plugin_safety_DIR}addSS1Group.cmd "NAME=first,EC_RAMP_DOWN=${EC_RAMP_DOWN},EC_AXES_REST=${EC_AXES_REST},EC_AXES_MAX_VELO=${EC_AXES_MAX_VELO=empty},DELAY_MS=${SAFETY_TIMEOUT}"
 
 #- Add axis
 #-   AX_ID              :   Axis ID
 #-   VELO_REST_LIM      :   Velocity at rest limit [unit same as EGU of axis]
 #-   VELO_MAX_LIM       :   Velocity maximum limit, -1 to disable [unit same as EGU of axis]
 ${SCRIPTEXEC} ${ecmc_plugin_safety_DIR}addAxisToSafetyGroup.cmd "NAME=first,AX_ID=1,VELO_REST_LIM=1,VELO_MAX_LIM=100"
-#${SCRIPTEXEC} ${ecmc_plugin_safety_DIR}addAxisToSafetyGroup.cmd "NAME=first,AX_ID=1,VELO_REST_LIM=1"
+
 
 ##############################################################################
 ## Configure diagnostics: