diff --git a/script/jan/hyst_Dy_singleenergy.py b/script/jan/hyst_Dy_singleenergy.py
index 85f230e..cd5e8bf 100644
--- a/script/jan/hyst_Dy_singleenergy.py
+++ b/script/jan/hyst_Dy_singleenergy.py
@@ -15,6 +15,8 @@ while temperature_readback.read() > 1.9:
 
 open_valve()
 
+time.sleep(10)
+
 loop_count = 0
 while loop_count < nr_loops:
     set_pol_cplus(offset = off_cplus)