diff --git a/plugins/power/nutups2_ b/plugins/power/nutups2_
index 10753939..54f7bc54 100755
--- a/plugins/power/nutups2_
+++ b/plugins/power/nutups2_
@@ -45,7 +45,7 @@ Although the 'suggest' command will only offer UPSes for which the local host
 is the master, you can also monitor remote UPSes if you include the host name
 in the symlink, like:
 
-	nutups2_<upsname>@<hostname or address>_frequency
+	nutups2_<upsname>.<hostname or address>_frequency
 
 etc.
 
@@ -315,6 +315,7 @@ croak("Unknown command line arguments") if $ARGV[0] and $ARGV[0] ne 'config';
 # The UPS name may contain underscores
 my $fn_re = join('|', keys %config);
 my ($ups, $func) = $0 =~ m/nutups2_(.*)_($fn_re)$/;
+$ups =~ s/\./@/;  # ups.host.name => ups@host.name
 
 if ($ARGV[0] and $ARGV[0] eq 'config') {
 	$config{$func}->{'config'}($func, $ups);