diff --git a/config/devices.properties b/config/devices.properties
index 94a716c..4030959 100644
--- a/config/devices.properties
+++ b/config/devices.properties
@@ -31,7 +31,7 @@ detector_y=ch.psi.pshell.epics.Motor|X06DA-ES-DET:TRY1|||true
 cryo_jet_tans=ch.psi.pshell.epics.Motor|X06DA-ES-CJ:TRX1|||true
 #beamstop=ch.psi.pshell.device.MotorGroupDiscretePositioner|beamstopX beamstopY beamstopZ|||
 #collimator=ch.psi.pshell.device.MotorGroupDiscretePositioner|collimatorX collimatorY|||
-slithop=ch.psi.pshell.epics.Slit|X06DA-OP-SHxp X06DA-OP-SHxn|||true
+slithop=ch.psi.pshell.epics.Slit|X06DA-OP-SH1:TRX1 X06DA-OP-SH1:TRX1|||true
 slit1h_size=ch.psi.pshell.epics.Motor|X06DA-ES-SH1:TRX1|||true
 slit1h_center=ch.psi.pshell.epics.Motor|X06DA-ES-SH1:TRX2|||true
 slit1v_size=ch.psi.pshell.epics.Motor|X06DA-ES-SV1:TRY1|||true