diff --git a/script/jan/Ni_energy.py b/script/jan/Ni_energy.py
index a77d741..5c9458c 100644
--- a/script/jan/Ni_energy.py
+++ b/script/jan/Ni_energy.py
@@ -2,6 +2,7 @@
 #otf 840 890 1 delay 5
 #file Ni_plus
 #start
+open_valve()
 set_pol_cplus(offset = None)
 wait_beam()
 set_file('Ni_plus')
@@ -16,4 +17,4 @@ set_pol_cminus(offset = None)
 wait_beam()
 set_file('Ni_minus')
 otf(start=840, end=895, time=2, delay=5)
-
+close()