From 607f864d8caa124a487221e76e02329d23006b39 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 28 May 2010 20:17:47 -0600
Subject: [PATCH] Fix right clicking on column headers in device view broken

---
 src/calibre/gui2/library/models.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/calibre/gui2/library/models.py b/src/calibre/gui2/library/models.py
index 5490e96169..48ce5bbc45 100644
--- a/src/calibre/gui2/library/models.py
+++ b/src/calibre/gui2/library/models.py
@@ -966,6 +966,7 @@ class DeviceBooksModel(BooksModel): # {{{
         return len(self.map)
 
     def set_database(self, db):
+        self.custom_columns = {}
         self.db = db
         self.map = list(range(0, len(db)))