diff --git a/script/Marco/power-supply.py b/script/Marco/power-supply.py
index 96c28c1..b14ae26 100644
--- a/script/Marco/power-supply.py
+++ b/script/Marco/power-supply.py
@@ -41,7 +41,7 @@ for setpoint1 in frange(0.0, 50.0, 2.0, True):
         #Detector ActualVA
         detector2 = ActualVA.get()
         #scan.append ([setpoint1], [readback1], [detector1, detector2])
-        scan.append (detector1, detector2, setpoint1, readback1)
+        scan.append (detector1, detector2, setpoint1)
 
 #Closing channels
 SetVA.close()