diff --git a/db/SQLiteClient.py b/db/SQLiteClient.py
index 2b6311a..c5bfc33 100644
--- a/db/SQLiteClient.py
+++ b/db/SQLiteClient.py
@@ -331,6 +331,15 @@ def add_user(list_id: int, user_id: int):
     conn.commit()
     conn.close()
 
+def accept_List(list_id: int, user_id: int):
+    query = (f"UPDATE habit_users SET accepted = true WHERE {user_id} = habit_users.user_id AND {list_id} = habit_users.list_id;")
+    conn = con3()
+    cursor = conn.cursor()
+    cursor.execute(query)
+    conn.commit()
+    conn.close()
+
+
 
 def remove_user(list_id: int, user_id: int):
     query = f"DELETE FROM habit_lists WHERE user_id = {user_id} AND list_id = {list_id};"
diff --git a/models/HabitList.py b/models/HabitList.py
index ed90e8f..a77f3a1 100644
--- a/models/HabitList.py
+++ b/models/HabitList.py
@@ -3,7 +3,7 @@ from dataclasses import dataclass
 from models.Habit import Habit
 from models.User import User
 from db.SQLiteClient import (create_habitList, get_habitList, get_habits, get_users, add_user, remove_user,
-                             update_habitList, delete_habitList)
+                             update_habitList, delete_habitList, accept_List)
 
 
 @dataclass
@@ -66,6 +66,8 @@ class HabitList:
         else:
             return None
 
+    def accept_List(self, user:User):
+        accept_List(self.id, user.id)
 
     # Removes a User from the HabitList
     def remove_user(self, user_id):