diff --git a/libucil-0.9.8-segv.patch b/libucil-0.9.8-segv.patch
index b3b6fcd..5089258 100644
--- a/libucil-0.9.8-segv.patch
+++ b/libucil-0.9.8-segv.patch
@@ -1,5 +1,8 @@
+ src/ucil_theora.c |    8 ++++----
+ 1 files changed, 4 insertions(+), 4 deletions(-)
+
 diff --git a/src/ucil_theora.c b/src/ucil_theora.c
-index 3f6e1ca..7cfb0f4 100644
+index 3f6e1ca..0919a97 100644
 --- a/src/ucil_theora.c
 +++ b/src/ucil_theora.c
 @@ -518,7 +518,7 @@ static void fill_frames( ucil_theora_video_file_object_t *vobj, unicap_data_buff
@@ -29,3 +32,12 @@ index 3f6e1ca..7cfb0f4 100644
  	    last_data_buffer->flags &= ~UNICAP_FLAGS_BUFFER_LOCKED;
  	    sem_wait( &vobj->lock );
  	    g_queue_push_head( vobj->empty_queue, vobj->last_frame );
+@@ -911,7 +911,7 @@ static void *ucil_theora_encode_thread( ucil_theora_video_file_object_t *vobj )
+       }
+ #endif
+ 
+-      last_data_buffer = (unicap_data_buffer_t *)vobj->last_frame->data;
++      last_data_buffer = vobj->last_frame;
+       if( vobj->downsize > 1 || vobj->requires_resizing_frames )
+       {
+ 	 yuv.y = ds_y_buffer;
diff --git a/libucil.spec b/libucil.spec
index 11f3e73..ab757ea 100644
--- a/libucil.spec
+++ b/libucil.spec
@@ -1,7 +1,7 @@
 Summary:	Library to render text and graphic overlays onto video images
 Name:		libucil
 Version:	0.9.8
-Release:	3%{?dist}
+Release:	4%{?dist}
 License:	GPLv2+
 Group:		System Environment/Libraries
 URL:		http://www.unicap-imaging.org/
@@ -10,7 +10,7 @@ Source0:	http://www.unicap-imaging.org/downloads/%{name}-%{version}.tar.gz
 # Fix commited in upstream r62
 Patch0:		libucil-0.9.8-alsa.patch
 
-# Fix commited in upstream r61
+# Part of the fix commited in upstream r61
 Patch1:		libucil-0.9.8-segv.patch
 
 BuildRequires:	intltool, /usr/bin/perl, perl(XML::Parser), gettext, gtk-doc >= 1.4
@@ -76,6 +76,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_datadir}/gtk-doc/html/%{name}
 
 %changelog
+* Wed Aug 25 2010 Kamil Dudka <kdudka@redhat.com> 0.9.8-4
+- fix SIGSEGV in ucil_theora_encode_thread (#627161)
+
 * Wed Jun 02 2010 Kamil Dudka <kdudka@redhat.com> 0.9.8-3
 - fix SIGSEGV in ucil_alsa_fill_audio_buffer (#572966)
 - fix SIGSEGV in ucil_theora_encode_thread (#595863)