diff --git a/config/devices.properties b/config/devices.properties
index d52a10d5..4af54fa2 100644
--- a/config/devices.properties
+++ b/config/devices.properties
@@ -109,7 +109,7 @@ ps1=ch.psi.pshell.epics.AreaDetector|X03DA-ES-PS1:cam1 X03DA-ES-PS1:image1|||tru
 op-ps1=ch.psi.pshell.epics.AreaDetector|X03DA-OP-PS1:cam1 X03DA-OP-PS1:image1|||true
 OpticsCameraCentroidX=ch.psi.pshell.epics.ChannelDouble|X03DA-OP-PS1:Stats2:CentroidX_RBV|Read||true
 OpticsCameraSigmaX=ch.psi.pshell.epics.ChannelDouble|X03DA-OP-PS1:Stats2:SigmaX_RBV|Read||true
-dummy=ch.psi.pshell.device.DummyPositioner|XXX|||true
+dummy=ch.psi.pshell.device.DummyMotor|XXX|||true
 img=ch.psi.pshell.imaging.CameraSource|Scienta|||true
 cam1=ch.psi.pshell.imaging.MjpegSource|http://x03da-cam-1/axis-cgi/mjpg/video.cgi||-200|
 cam2=ch.psi.pshell.imaging.MjpegSource|http://x03da-cam-2/axis-cgi/mjpg/video.cgi||-1000|