diff --git a/nbd.changes b/nbd.changes
index f127a27..7efe5e0 100644
--- a/nbd.changes
+++ b/nbd.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun Nov 09 19:27:00 UTC 2014 - Led <ledest@gmail.com>
+
+- fix bashisms in pre script
+
 -------------------------------------------------------------------
 Thu Apr 18 19:38:29 UTC 2013 - dmueller@suse.com
 
diff --git a/nbd.spec b/nbd.spec
index 92a3bd8..fc1d639 100644
--- a/nbd.spec
+++ b/nbd.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package nbd
 #
-# Copyright (c) 2013 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2014 SUSE LINUX Products GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -143,18 +143,20 @@ if test -e /etc/nbd-server.conf; then
   # Do we have to create a generic section?
   unset generic
   if test -e /etc/nbd-server/config; then generic=1; fi
+  grep -vE '^(#|[[:blank:]]*$)' /etc/nbd-server.conf |
   while read port file opts; do
-    if test -z "$port"; then continue; fi
-    if test "${port:0:1}" = "#"; then continue; fi
     if test -z "$generic"; then
-      echo -e "[generic]\n\t# No generic options yet\n" > /etc/nbd-server/config
+      echo > /etc/nbd-server/config
+      echo "[generic]" >> /etc/nbd-server/config
+      echo "	# No generic options yet" >> /etc/nbd-server/config
+      echo >> /etc/nbd-server/config
       generic=1
     fi
     FN=${file%/*}
     nm="cvt.$port.${FN##*/}.${file##*/}"
     echo " ... convert $port $file $opts -> $nm"
     /usr/bin/nbd-server $port $file $opts -o "$nm" >> /etc/nbd-server/config
-  done < /etc/nbd-server.conf
+  done
   mv /etc/nbd-server.conf /etc/nbd-server.conf.converted
 fi