-for (my $i = 0; $i < $group_info->{num}; $i++) {
- push @menubar, $group_info->{group_labels}[$i], ";group=$i";
+if ($group_info->{num} > 1) {
+ for (my $i = 0; $i < $group_info->{num}; $i++) {
+ push @menubar, $group_info->{group_labels}[$i], ";group=$i";
+ }