diff --git a/script/RFscan/SchottkyScan.py b/script/RFscan/SchottkyScan.py
index 72a6e12..bfeb655 100644
--- a/script/RFscan/SchottkyScan.py
+++ b/script/RFscan/SchottkyScan.py
@@ -14,7 +14,7 @@ else:
     lat   = args[4]
     
 
-phase = ControlledVariable("Phase", "SINEG01-RSYS:SET-VSUM-PHASE", "SINEG01-RSYS:SET-VSUM-PHASE")
+phase = ControlledVariable("Phase", "SINEG01-RSYS:SET-VSUM-PHASE", "SINEG01-RSYS:GET-VSUM-PHASE")
 phase.config.minValue   =-180.0
 phase.config.maxValue   = 180.0
 phase.config.resolution = 0.5