diff --git a/script/RFscan/phase_scan_caqtdm_dv2.py b/script/RFscan/phase_scan_caqtdm_dv2.py
index 447b371..0e0179b 100644
--- a/script/RFscan/phase_scan_caqtdm_dv2.py
+++ b/script/RFscan/phase_scan_caqtdm_dv2.py
@@ -7,6 +7,8 @@ if get_exec_pars().source == CommandSource.ui:
 else:
     prefix = args[0]
 
+print(prefix)
+
 start   = caget(prefix + ":SET-SCAN-START")
 stop    = caget(prefix + ":SET-SCAN-STOP")
 step    = caget(prefix + ":SET-SCAN-STEP")