diff --git a/xen.spec b/xen.spec
index 371b9ec..6f81794 100644
--- a/xen.spec
+++ b/xen.spec
@@ -15,6 +15,7 @@
 # Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
+
 Name:           xen
 ExclusiveArch:  %ix86 x86_64 %arm aarch64
 %define xvers 4.3
@@ -1153,6 +1154,11 @@ if [ -e /boot/efi/efi/SuSE/xen-%{version}-%{release}.efi ]; then
     rm /boot/efi/efi/SuSE/xen-%{version}-%{release}.efi
 fi
 
+%posttrans
+if [ -x /sbin/update-bootloader ]; then
+    /sbin/update-bootloader --refresh; exit 0
+fi
+
 %post tools
 %if %{?with_xend}0
 %if %{?with_systemd}0