diff --git a/scripts/03_esas_cheese.py b/scripts/03_esas_cheese.py
index 4829e0c..9096dc9 100755
--- a/scripts/03_esas_cheese.py
+++ b/scripts/03_esas_cheese.py
@@ -53,7 +53,7 @@ for obsid in files:
     inargs = ['mos1file=mos1S001-allevc.fits',
               'mos2file=mos1S002-allevc.fits',
               'pnfile=pnS003-allevc.fits',
-              'pnootfile=pnS003-allevcoot.fits',
+              'pnootfile=pnS003-oot.fits',
               'elowlist=350',
               'ehighlist=1100',
               'scale=0.4',