diff --git a/courses.py b/courses.py
index bf58036..b9632b8 100644
--- a/courses.py
+++ b/courses.py
@@ -1010,7 +1010,7 @@ def enroll_id_list_to_shell(id_list, shell_id, v=0):
 
 # multiple semesters
 def enroll_stem_students_live():
-    semesters = [183,184]
+    semesters = [184,]
     
     for S in semesters:
         enroll_stem_students_live_semester(S)