diff --git a/DynamoDB.py b/DynamoDB.py
index 1491369..54e0153 100644
--- a/DynamoDB.py
+++ b/DynamoDB.py
@@ -5,7 +5,7 @@
 course_table = resource('dynamodb').Table('Courses')
 # NOTE: another table for users and professors may be necessary. In order to do this we might need functionality to introduce salt and hashing for security
 
-def insert(courseId, courseSection, courseLevel, courseDepartment, courseProfessor, courseEnrolledStudents, courseMaxStudents, courseStartTime, courseEndTime, courseIsOpen, courseFormat, courseScheduledDays, courseLocation):
+def insert(courseId, courseSection, courseLevel, courseDepartment, courseProfessor, courseEnrolledStudents, courseMaxStudents, courseIsOpen, courseFormat, courseStartTime=0, courseEndTime=0, courseScheduledDays='None', courseLocation='None'):
     courseInsertion = course_table.put_item(
         Item = {
             'CourseId' : courseId, # partition key