diff --git a/src/files.py b/src/files.py
index 00c8f7cab..b133cc60e 100644
--- a/src/files.py
+++ b/src/files.py
@@ -53,9 +53,9 @@ class FilesManager:
         # in self.update_torrent_info_widget
         self.file_store_dict = {}
         if self.is_file_tab:
-            self.file_store = gtk.ListStore(bool, str, gobject.TYPE_ULONG, float)
+            self.file_store = gtk.ListStore(bool, str, gobject.TYPE_UINT64, float)
         else:
-            self.file_store = gtk.ListStore(bool, str, gobject.TYPE_ULONG)
+            self.file_store = gtk.ListStore(bool, str, gobject.TYPE_UINT64)
         self.file_store_sorted = gtk.TreeModelSort(self.file_store)
 
     def use_unique_id(self, unique_id):
diff --git a/src/interface.py b/src/interface.py
index 6edd80a76..1ff12433a 100644
--- a/src/interface.py
+++ b/src/interface.py
@@ -431,8 +431,8 @@ class DelugeGTK:
         # unique_ID, Q#, Status Icon, Name, Size, Progress, Message, Seeders, Peers,
         #     DL, UL, ETA, Share
         self.torrent_model = gtk.ListStore(int, gobject.TYPE_UINT, 
-            gtk.gdk.Pixbuf, str, gobject.TYPE_ULONG, float, str, int, int, 
-            int, int, int, int, gobject.TYPE_ULONG, float)
+            gtk.gdk.Pixbuf, str, gobject.TYPE_UINT64, float, str, int, int, 
+            int, int, int, int, gobject.TYPE_UINT64, float)
         # Stores unique_ID -> gtk.TreeRowReference's mapping for quick look up
         self.torrent_model_dict = {}