diff --git a/virt-backup b/virt-backup
index ac46883..066a366 100644
--- a/virt-backup
+++ b/virt-backup
@@ -4,7 +4,7 @@
 #   Daniel Berteaud <daniel@firewall-services.com>
 #
 # COPYRIGHT
-#   Copyright (C) 2009-2011  Daniel Berteaud
+#   Copyright (C) 2009-2012  Daniel Berteaud
 #
 #   This program is free software; you can redistribute it and/or modify
 #   it under the terms of the GNU General Public License as published by
@@ -605,7 +605,7 @@ sub create_snapshot{
     my $ret = 0;
     print "Running: $opts{lvcreate} -p r -s -n " . $blk . $suffix .
         " -L $opts{snapsize} $blk > /dev/null 2>&1\n" if $opts{debug};
-    if ( system("$opts{lvcreate} -s -n " . $blk . $suffix .
+    if ( system("$opts{lvcreate} -p r -s -n " . $blk . $suffix .
         " -L $opts{snapsize} $blk > /dev/null 2>&1") == 0 ) {
         $ret = 1;
         open SNAPLIST, ">>$backupdir.meta/snapshots" or die "Error, couldn't open snapshot list file\n";