diff --git a/script/MultiRegionScan.py b/script/MultiRegionScan.py
index b5f00562..569fc1d5 100644
--- a/script/MultiRegionScan.py
+++ b/script/MultiRegionScan.py
@@ -13,6 +13,8 @@ REGIONS = [REGION1, REGION2]
 
 CLOSE_SHUTTER_AT_END = True
 
+set_exec_pars(open = True)
+
 Scienta.setAcquisitionMode(ch.psi.pshell.epics.Scienta.AcquisitionMode.Swept)
 
 class SpectrumReader(ReadonlyRegisterBase, ReadonlyRegisterArray):