diff --git a/lib/Pear/LocalLoop/Controller/Admin/Categories.pm b/lib/Pear/LocalLoop/Controller/Admin/Categories.pm
index c4aceeb..b37900d 100644
--- a/lib/Pear/LocalLoop/Controller/Admin/Categories.pm
+++ b/lib/Pear/LocalLoop/Controller/Admin/Categories.pm
@@ -19,7 +19,7 @@ sub create {
   my $c = shift;
 
   my $validation = $c->validation;
-  $validation->required('category', 'trim')->like(qr/^[\w]*$/)->not_in_resultset('name', $c->result_set);
+  $validation->required('category', 'trim')->not_in_resultset('name', $c->result_set);
 
   my $category_name = $validation->param('category');
 
diff --git a/lib/Pear/LocalLoop/Controller/Api/Stats.pm b/lib/Pear/LocalLoop/Controller/Api/Stats.pm
index 8545406..cd348c3 100644
--- a/lib/Pear/LocalLoop/Controller/Api/Stats.pm
+++ b/lib/Pear/LocalLoop/Controller/Api/Stats.pm
@@ -93,7 +93,7 @@ sub post_customer {
 
   my @all_weeks = $week_transaction_rs->all;
   my $first = $all_weeks[0]->get_column('count') || 0;
-  my $second = $all_weeks[1]->get_column('count') || 0;
+  my $second = defined $all_weeks[1] ? $all_weeks[1]->get_column('count') || 0 : 0;
   my $max = max( map { $_->get_column('count') } @all_weeks );
   my $sum = sum( map { $_->get_column('count') } @all_weeks );
   my $count = $week_transaction_rs->count;