diff --git a/memtest86+.changes b/memtest86+.changes
index a2648e4..a4b889e 100644
--- a/memtest86+.changes
+++ b/memtest86+.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Aug 10 12:57:40 CEST 2007 - duwe@suse.de
+
+- Do not fail to install if update-bootloader is not there.
+
 -------------------------------------------------------------------
 Thu Aug  9 18:34:00 CEST 2007 - duwe@suse.de
 
diff --git a/memtest86+.spec b/memtest86+.spec
index 1757ce2..4b33f76 100644
--- a/memtest86+.spec
+++ b/memtest86+.spec
@@ -11,7 +11,7 @@
 
 Name:           memtest86+
 Version:        1.70
-Release:        30
+Release:        31
 #
 License:        BSD 3-Clause
 Group:          System/Boot
@@ -71,12 +71,14 @@ Authors:
 install -D -m 0644 memtest.bin $RPM_BUILD_ROOT/boot/memtest.bin
 
 %post
-if [ "$YAST_IS_RUNNING" != instsys -a $1 = 1 ]; then
+if [ "$YAST_IS_RUNNING" != instsys -a $1 = 1 -a \
+	 -x /sbin/update-bootloader ]; then
 	/sbin/update-bootloader --add --image /boot/memtest.bin --name "Memory Test (memtest86+)"
 fi
+true
 
-%preun
-/sbin/update-bootloader --remove --force --image /boot/memtest.bin
+%postun
+test -x /sbin/update-bootloader && /sbin/update-bootloader --remove --force --image /boot/memtest.bin || true
 
 %files
 %defattr(-,root,root)
@@ -84,6 +86,8 @@ fi
 %doc README* changelog FAQ
 
 %changelog
+* Fri Aug 10 2007 - duwe@suse.de
+- Do not fail to install if update-bootloader is not there.
 * Thu Aug 09 2007 - duwe@suse.de
 - Add memtest86+ to boot menu even if installed later
   (Feature #301969)