diff --git a/script/bpm1s_TimestampTable.py b/script/bpm1s_TimestampTable.py
index e19804c..79a0419 100644
--- a/script/bpm1s_TimestampTable.py
+++ b/script/bpm1s_TimestampTable.py
@@ -11,7 +11,7 @@ def after(rec, scan):
     time_str = str(dt).ljust(26,'0') + str(int(nanos % 1e3)).zfill(3)
     append_dataset(path, time_str , type = 's')
 
-mscan(bpm1s_4ch, [bpm1s_4ch,bpm1a], -1, 100.0, after_read = after)
+mscan(bpm1s_4ch, [bpm1s_4ch, bpm1a], -1, 100.0, after_read = after)
 #mscan(bpm6b, bpm6b, 5)
 
 #tscan(bpm6a, b5, 2.0)