diff --git a/script/test/otf_test.py b/script/test/otf_test.py
index e3458c9..fa21cc4 100644
--- a/script/test/otf_test.py
+++ b/script/test/otf_test.py
@@ -6,7 +6,7 @@
 
 
 #'''    long acquisition Sn M-edge + O K-edge
-nr_loops=1000
+nr_loops=1
 loop_count = 0
 while loop_count < nr_loops:
     caput('X11MA-KEI12:RANGE', 10)