diff --git a/bug-601568.patch b/bug-601568.patch
new file mode 100644
index 0000000..b2fcfb7
--- /dev/null
+++ b/bug-601568.patch
@@ -0,0 +1,40 @@
+diff -rup ibus-sayura-1.2.99.20100209/src/engine.c ibus-sayura-1.2.99.20100209_mod/src/engine.c
+--- ibus-sayura-1.2.99.20100209/src/engine.c	2010-02-09 10:09:08.000000000 +0530
++++ ibus-sayura-1.2.99.20100209_mod/src/engine.c	2010-06-15 16:25:56.478330264 +0530
+@@ -23,9 +23,9 @@ struct _IBusSinhalaEngineClass {
+ };
+ 
+ struct {
+-	gunichar character;
+-	gunichar mahaprana;
+-	gunichar sagngnaka;
++	gint character;
++	gint mahaprana;
++	gint sagngnaka;
+ 	int key;
+ } consonents[] = {
+ 	{0xda4, 0x00, 0x00, IBUS_z},
+@@ -72,10 +72,10 @@ struct {
+ };
+ 
+ struct {
+-	gunichar single0;
+-	gunichar double0;
+-	gunichar single1;
+-	gunichar double1;
++	gint single0;
++	gint double0;
++	gint single1;
++	gint double1;
+ 	int key;
+ } vowels[] = {
+ 	{0xd85, 0xd86, 0xdcf, 0xdcf, IBUS_a},
+@@ -207,7 +207,7 @@ ibus_sinhala_engine_init (IBusSinhalaEng
+     sinhala->prop_list = ibus_prop_list_new ();
+     g_object_ref_sink (sinhala->prop_list);
+     ibus_prop_list_append (sinhala->prop_list,  sinhala->sinhala_mode_prop);
+-    sinhala->buffer = g_array_new (TRUE, TRUE, sizeof(gunichar *));
++    sinhala->buffer = g_array_new (TRUE, TRUE, sizeof(gint));
+ }
+ 
+ static GObject*
diff --git a/ibus-sayura.spec b/ibus-sayura.spec
index 32d927a..d3d0da5 100644
--- a/ibus-sayura.spec
+++ b/ibus-sayura.spec
@@ -1,6 +1,6 @@
 Name:       ibus-sayura
 Version:    1.2.99.20100209
-Release:    1%{?dist}
+Release:    2%{?dist}
 Summary:    The Sinhala engine for IBus input platform
 License:    GPLv2+
 Group:      System Environment/Libraries
@@ -15,12 +15,13 @@ BuildRequires:  pkgconfig
 BuildRequires:  ibus-devel
 
 Requires:   ibus
+Patch1: bug-601568.patch
 %description
 The Sayura engine for IBus platform. It provides Sinhala input method.
 
 %prep
 %setup -q
-
+%patch1 -p1 -b .1-fix-for-64-bit
 
 %build
 %configure --disable-static
@@ -44,6 +45,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_datadir}/ibus/component/*
 
 %changelog
+* Tue Jun 15 2010 Pravin Satpute <psatpute@redhat.com> - 1.2.99.20100209-2
+- fixed bug 601568
+
 * Tue Feb 09 2010 Pravin Satpute <pravin.d.s@gmail.com> - 1.2.99.20100209-1
 - updated patches for code enhancements from phuang for ibus-1.2.99