diff --git a/instance1.py b/instance1.py
index 67639121b28b9b3d7508b2ef8c0d41645cf31359..364811c05529b19f890baaee84fa54c3e4298c99 100755
--- a/instance1.py
+++ b/instance1.py
@@ -44,7 +44,7 @@ def run_expe(expe_num, user_category, window_size, clean_log):
     uf = f"{ROOT_DIR}/sched_input/user_description_file.json"
 
     # Demand response window, from 12 to (12 + window_size) on day2
-    dm_window = [(24+12)*3600, (int) (24+12+window_size)*3600]
+    dm_window = [(24+12)*3600, (int) ((24+12+window_size)*3600)]
 
     # User description file
     def user_description(user):