diff --git a/script/test/otf_post_mortem.py b/script/test/otf_post_mortem.py
index 10c299d..6691b90 100644
--- a/script/test/otf_post_mortem.py
+++ b/script/test/otf_post_mortem.py
@@ -134,17 +134,17 @@ while loop_count < nr_loops:
 
 
 
-'''#            sample Sn:C (& Au reference)
+''#            sample Sn:C (& Au reference)
 # scans O
 caput('X11MA-KEI10:RANGE', 7)
 caput('X11MA-KEI11:RANGE', 7)
 caput('X11MA-KEI12:RANGE', 10)
-nr_loops=3
+nr_loops=1
 loop_count = 0
 while loop_count < nr_loops:
     otf(start=520, end=570, time=2, delay=10, mode='LINEAR', alpha = 0.0, offset=0.0, name='Background-Reference-O', folder='data/2019_10/postmortem')
     loop_count = loop_count + 1
-''' 
+
 # scans C
 caput('X11MA-KEI10:RANGE', 7)
 caput('X11MA-KEI11:RANGE', 8)