diff --git a/config/devices.properties b/config/devices.properties
index 1e5a236..d197f6d 100644
--- a/config/devices.properties
+++ b/config/devices.properties
@@ -1,5 +1,5 @@
 MCPArray1=ch.psi.pshell.epics.ChannelIntegerArray|X11MA-ES4:PHC-CTRWF1|Read||true
-SamplingTime=ch.psi.pshell.epics.ChannelDouble|X11MA-ES4:SAMPLE-TIME|Read||true
+SamplingTime=ch.psi.pshell.epics.ChannelByteArray|X11MA-ES4:SAMPLE-TIME|Read||true
 MCPArray2=ch.psi.pshell.epics.ChannelIntegerArray|X11MA-ES4:PHC-CTRWF2|Read||true
 NrCounters=ch.psi.pshell.epics.ChannelInteger|X11MA-ES4:NCTR|Read||true
 energy=ch.psi.pshell.epics.ChannelDouble|X11MA-PGM:rbkenergy|Read||true