diff --git a/btrbk b/btrbk
index d3e6be5..d80fd47 100755
--- a/btrbk
+++ b/btrbk
@@ -62,7 +62,7 @@ my $file_match = qr/[0-9a-zA-Z_@\+\-\.\/]+/;  # note: ubuntu uses '@' in the sub
 my $ssh_prefix_match = qr/ssh:\/\/($ip_addr_match|$host_name_match)/;
 my $uuid_match = qr/[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/;
 my $timestamp_postfix_match = qr/\.(?<YYYY>[0-9]{4})(?<MM>[0-9]{2})(?<DD>[0-9]{2})(T(?<hh>[0-9]{2})(?<mm>[0-9]{2}))?(_(?<NN>[0-9]+))?/;  # matches "YYYYMMDD[Thhmm][_NN]"
-my $raw_postfix_match = qr/--(?<received_uuid>$uuid_match)(\@(?<parent_uuid>$uuid_match))\.btrfs?(\.(?<compress>(gz|bz2|xz)))?(\.(?<encrypt>gpg))?/;  # matches ".btrfs_<received_uuid>[@<parent_uuid>][.gz|bz2|xz][.gpg]"
+my $raw_postfix_match = qr/--(?<received_uuid>$uuid_match)(\@(?<parent_uuid>$uuid_match))?\.btrfs?(\.(?<compress>(gz|bz2|xz)))?(\.(?<encrypt>gpg))?/;  # matches ".btrfs_<received_uuid>[@<parent_uuid>][.gz|bz2|xz][.gpg]"
 my $group_match = qr/[a-zA-Z0-9_:-]+/;
 my $ssh_cipher_match = qr/[a-z0-9][a-z0-9@.-]+/;