diff --git a/kdump.changes b/kdump.changes
index ab29cc6..c2271cd 100644
--- a/kdump.changes
+++ b/kdump.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun Nov 09 05:26:00 UTC 2014 - Led <ledest@gmail.com>
+
+- fix bashisms in post/postun scripts
+
 -------------------------------------------------------------------
 Fri Sep 26 14:13:54 UTC 2014 - ptesarik@suse.cz
 
diff --git a/kdump.spec b/kdump.spec
index eeaef1a..a6df1dc 100644
--- a/kdump.spec
+++ b/kdump.spec
@@ -183,11 +183,11 @@ if [ ! -f /etc/sysconfig/kdump ] ; then
     change_permission=1
 fi
 %{fillup_and_insserv -n kdump boot.kdump}
-if (( $change_permission )) ; then
+if [ "$change_permission" = 1 ]; then
     chmod 0600 /etc/sysconfig/kdump
 fi
 # if /var/log/dump is empty, make it a symlink to /var/crash
-if test -d /var/log/dump && rmdir /var/log/dump &>/dev/null ||
+if test -d /var/log/dump && rmdir /var/log/dump >/dev/null 2>&1 ||
         ! test -d /var/log/dump ; then
     ln -snf /var/crash /var/log/dump
 fi
@@ -206,7 +206,7 @@ echo "Stopping kdump ..."
 # force regeneration of kdumprd
 touch /etc/sysconfig/kdump
 # delete symbolic link
-rm /var/log/dump &>/dev/null || true
+rm /var/log/dump >/dev/null 2>&1 || true
 %restart_on_update boot.kdump
 %insserv_cleanup
 %if 0%{?suse_version} > 1220