diff --git a/script/power-supply.py b/script/power-supply.py
index 063eea2..70a8dc1 100644
--- a/script/power-supply.py
+++ b/script/power-supply.py
@@ -1,6 +1,6 @@
 #Script imported from: PO2DV-NCS-HW_ps.xml
 from mathutils import estimate_peak_indexes, fit_gaussians, create_fit_point_list
-args[1] = 1
+a = args[1]
 #Pre-actions
 caput('PO2DV-NCS-VHQ1:Set-RampA', '10')
 sleep(0.1)