diff --git a/script/RFscan/phase_scan_caqtdm_sim.py b/script/RFscan/phase_scan_caqtdm_sim.py
index d48c18b..90def98 100644
--- a/script/RFscan/phase_scan_caqtdm_sim.py
+++ b/script/RFscan/phase_scan_caqtdm_sim.py
@@ -2,7 +2,7 @@ import  ch.psi.pshell.epics.ControlledVariable as ControlledVariable
 
 if get_exec_pars().source == CommandSource.ui:
     station = "SINSB04"
-    bpm_ch  = "SINBC01-DBPM140"
+    bpm_ch  = "SINBC02-DBPM140"
 else:
     station = args[0]
     bpm_ch  = args[1]