diff --git a/alexandria-0.6.5-crash-in-turkish.patch b/alexandria-0.6.5-crash-in-turkish.patch
new file mode 100644
index 0000000..6ed09ca
--- /dev/null
+++ b/alexandria-0.6.5-crash-in-turkish.patch
@@ -0,0 +1,15 @@
+Index: lib/alexandria/ui/icons.rb
+===================================================================
+--- lib/alexandria/ui/icons.rb	(revision 1087)
++++ lib/alexandria/ui/icons.rb	(working copy)
+@@ -63,7 +63,9 @@
+       def self.load_icon_images
+         Dir.entries(ICONS_DIR).each do |file|
+           next unless file =~ /\.png$/    # skip non '.png' files
+-            name = File.basename(file, ".png").upcase
++            # Don't use upcase and use tr instead
++            # For example in Turkish the upper case of 'i' is still 'i'.
++            name = File.basename(file, ".png").tr('a-z', 'A-Z')
+           const_set(name, Gdk::Pixbuf.new(File.join(ICONS_DIR, file)))
+         end
+       end
diff --git a/alexandria.spec b/alexandria.spec
index 5d2325d..1f8289f 100644
--- a/alexandria.spec
+++ b/alexandria.spec
@@ -5,7 +5,7 @@
 %define		majorver	0.6.5
 %undefine		minorver	
 
-%define		fedorarel	5
+%define		fedorarel	6
 %define		rel		%{?minorver:0.}%{fedorarel}%{?minorver:.%minorver}
 
 
@@ -32,6 +32,10 @@ Patch4:		alexandria-0.6.5-search-result-sanity-check.patch
 # contain Author item
 # ref: alexandria-Bugs-27000
 Patch5:		alexandria-0.6.5-deastore-author-missing.patch
+# Alexandria crashes in tr_TR.UTF-8 on startup
+# RH bug 520170
+# Must report upstream
+Patch6:		alexandria-0.6.5-crash-in-turkish.patch
 BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildArch:	noarch
@@ -85,6 +89,7 @@ Alexandria is a GNOME application to help you manage your book collection.
 %patch3 -p0 -b .glib
 %patch4 -p0 -b .sanity
 %patch5 -p0 -b .deastore
+%patch6 -p0 -b .tr_TR
 
 # Embed Fedora EVR
 %{__sed} -i.evr \
@@ -211,6 +216,9 @@ exit 0
 %{_datadir}/icons/hicolor/*/apps/%{name}.*
 
 %changelog
+* Sat Aug 28 2009 Mamoru Tasaka <mtasaka@ioa.s.u-tokyo.ac.jp> - 0.6.5-6
+- Fix crash on startup in tr_TR.UTF-8 (bug 520170)
+
 * Thu Aug 27 2009 Mamoru Tasaka <mtasaka@ioa.s.u-tokyo.ac.jp> - 0.6.5-5
 - Add sanity check for invalid search result, now using upstream patch
 - Fix DeaStore provider where search result contains no Author