diff --git a/device-mapper-multipath.spec b/device-mapper-multipath.spec
index d87a3ba..d7af21e 100644
--- a/device-mapper-multipath.spec
+++ b/device-mapper-multipath.spec
@@ -1,7 +1,7 @@
 Summary: Tools to manage multipath devices using device-mapper
 Name: device-mapper-multipath
 Version: 0.4.8
-Release: 8%{?dist}
+Release: 9%{?dist}
 License: GPL+
 Group: System Environment/Base
 URL: http://christophe.varoqui.free.fr/
@@ -19,6 +19,7 @@ Patch9: config_space_fix.patch
 Patch10: fix_devt.patch
 Patch11: directio_message_cleanup.patch
 Patch12: binding_error.patch
+Patch13: fix_kpartx.patch
 Requires: kpartx = %{version}-%{release}
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 Requires(post): chkconfig
@@ -58,6 +59,7 @@ kpartx manages partition creation and removal for device-mapper devices.
 %patch10 -p1 -b .fix_devt
 %patch11 -p1 -b .directio_message
 %patch12 -p1 -b .binding_error
+%patch13 -p1 -b .ext_part
 
 %build
 make %{?_smp_mflags} DESTDIR=$RPM_BUILD_ROOT
@@ -109,6 +111,9 @@ fi
 %{_mandir}/man8/kpartx.8.gz
 
 %changelog
+* Fri Mar 6 2009 Milan Broz <mbroz@redhat.com> - 0.4.8-9
+- Fix kpartx extended partition handling (475283)
+
 * Tue Feb 24 2009 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.4.8-8
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_11_Mass_Rebuild
 
diff --git a/fix_kpartx.patch b/fix_kpartx.patch
new file mode 100644
index 0000000..8d12bc3
--- /dev/null
+++ b/fix_kpartx.patch
@@ -0,0 +1,32 @@
+--- multipath-tools.old/kpartx/kpartx.c	2008-07-23 22:49:52.000000000 +0200
++++ multipath-tools/kpartx/kpartx.c	2009-03-06 13:32:49.000000000 +0100
+@@ -474,6 +474,7 @@ main(int argc, char **argv){
+ 			d = c;
+ 			while (c) {
+ 				for (j = 0; j < n; j++) {
++					uint64_t start;
+ 					int k = slices[j].container - 1;
+ 
+ 					if (slices[j].size == 0)
+@@ -484,7 +485,7 @@ main(int argc, char **argv){
+ 						continue;
+ 
+ 					/* Skip all simple slices */
+-					if (k < 0)
++					if (slices[j].container == 0)
+ 						continue;
+ 
+ 					/* Check container slice */
+@@ -499,10 +500,11 @@ main(int argc, char **argv){
+ 					}
+ 					strip_slash(partname);
+ 
++					start = slices[j].start - slices[k].start;
+ 					if (safe_sprintf(params, "%d:%d %" PRIu64,
+ 							 slices[k].major,
+ 							 slices[k].minor,
+-							 slices[j].start)) {
++							 start)) {
+ 						fprintf(stderr, "params too small\n");
+ 						exit(1);
+ 					}