diff --git a/script/Marco/power-supply.py b/script/Marco/power-supply.py
index b14ae26..38eb7e6 100644
--- a/script/Marco/power-supply.py
+++ b/script/Marco/power-supply.py
@@ -2,7 +2,7 @@
 
 #Pre-actions
 caput('PO2DV-NCS-VHQ1:Set-RampA', '25')
-sleep(1.0)
+sleep(0.5)
 
 #TODO: Set the diplay names of positioners and detectors
 scan = ManualScan(['SetVA'], ['time', 'ActualVA'] , [0.0], [50.0], [50])
@@ -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)
+        scan.append ([detector1, detector2], [setpoint1], [readback1])
 
 #Closing channels
 SetVA.close()