diff --git a/PVE/Storage/ZFSPoolPlugin.pm b/PVE/Storage/ZFSPoolPlugin.pm
index 6b095f1..d3bb0fd 100644
--- a/PVE/Storage/ZFSPoolPlugin.pm
+++ b/PVE/Storage/ZFSPoolPlugin.pm
@@ -338,6 +338,9 @@ sub zfs_delete_zvol {
 	if ($err = $@) {
 	    if ($err =~ m/^zfs error:(.*): dataset is busy.*/) {
 		sleep(1);
+	    } elsif ($err =~ m/^zfs error:.*: dataset does not exist.*$/) {
+		$err = undef;
+		last;
 	    } else {
 		die $err;
 	    }
diff --git a/changelog.Debian b/changelog.Debian
index 98a5904..42752be 100644
--- a/changelog.Debian
+++ b/changelog.Debian
@@ -2,6 +2,8 @@ libpve-storage-perl (4.0-13) unstable; urgency=medium
 
   * mask world r and group wx permissions in vdisk_alloc
 
+  * fix bug #664
+
  -- Proxmox Support Team <support@proxmox.com>  Thu, 30 Jul 2015 08:50:33 +0200
 
 libpve-storage-perl (4.0-12) unstable; urgency=medium