diff --git a/script/MultiRegion.py b/script/MultiRegion.py
index e6a5eb27..a58462e0 100644
--- a/script/MultiRegion.py
+++ b/script/MultiRegion.py
@@ -40,11 +40,13 @@ import ch.psi.pshell.device.ReadonlyRegisterBase as ReadonlyRegisterBase
 import ch.psi.pshell.device.ReadonlyRegister.ReadonlyRegisterArray as ReadonlyRegisterArray
 import ch.psi.pshell.device.ReadonlyRegister.ReadonlyRegisterMatrix as ReadonlyRegisterMatrix
 
+global ExitSlit
+
 def check_region(region):
     """
     check region dictionary items and apply defaults where necessary
     """
-    global ExitSlit
+    dir()
     region['fixed'] = 'efix' in region
     if region['fixed']:
         region['elo'] = region['efix']