diff --git a/scrape.py b/scrape.py
index 2fa06c2..32a5ef3 100755
--- a/scrape.py
+++ b/scrape.py
@@ -267,7 +267,7 @@ def Get_Follows(url, limit = 100):
 user_dict = {}
 track_dict = {}
 
-with shelve.open('shelf.db', 'r') as shelf:
+with shelve.open('shelf.db') as shelf:
     if 'user_dict' in shelf.keys():
         user_dict = shelf['user_dict']
     if 'track_dict' in shelf.keys():
@@ -327,7 +327,7 @@ for i in range(MAX_DEGREE + 1):
         user_dict[user.url_username] = user
 
         # Update the shelf with the new dictionaries
-        with shelve.open('shelf.db', 'c') as shelf:
+        with shelve.open('shelf.db') as shelf:
             shelf['user_dict'] = user_dict
             shelf['track_dict'] = track_dict