Index: mttroot/mtt/bin/trans/dia2abg.pl
==================================================================
--- mttroot/mtt/bin/trans/dia2abg.pl
+++ mttroot/mtt/bin/trans/dia2abg.pl
@@ -567,15 +567,15 @@
 	my ($type, $name) = split (/:/, $type_name);
 	if (! $name) {
 	    $type = $type_name;
 	    if (! defined ($anon_index{$type})) {
 		$anon_index{$type} = 1;
+		$name = "mtt${type}";
 	    } else {
-		$anon_index{$type}++;
+		my $num = ++$anon_index{$type};
+		$name = "mtt${type}_${num}";
 	    }
-	    my $num = $anon_index{$type};
-	    $name = "mtt${type}_${num}";
 	    $anonymous = 1;
 	} else {
 	    $anonymous = 0;
 	}
 	$component_id_type{$id} = $type;