From 24cb0337f21a9c508ef23b4576d06c0f76b9ece2 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 19 Aug 2015 16:03:33 +0530
Subject: [PATCH] ...

---
 src/calibre/gui2/library/views.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/calibre/gui2/library/views.py b/src/calibre/gui2/library/views.py
index b2146b1d91..14fbcec5e7 100644
--- a/src/calibre/gui2/library/views.py
+++ b/src/calibre/gui2/library/views.py
@@ -86,7 +86,9 @@ class HeaderView(QHeaderView):  # {{{
         sm = self.selectionModel()
         if opt.orientation == Qt.Vertical:
             try:
-                opt.icon = model.headerData(logical_index, opt.orientation, Qt.DecorationRole)
+                val = model.headerData(logical_index, opt.orientation, Qt.DecorationRole)
+                if val is not None:
+                    opt.icon = val
                 opt.iconAlignment = Qt.AlignVCenter
             except (IndexError, ValueError, TypeError):
                 pass