diff --git a/lib/Pear/LocalLoop/Controller/Api/Categories.pm b/lib/Pear/LocalLoop/Controller/Api/Categories.pm
index ed5b0c1..0ffeae7 100644
--- a/lib/Pear/LocalLoop/Controller/Api/Categories.pm
+++ b/lib/Pear/LocalLoop/Controller/Api/Categories.pm
@@ -33,30 +33,31 @@ sub post_category_list {
           essential        => 'essential',
         },
       ],
-      group_by => [ qw/ category_id quantised_weeks essential value / ],
-      order_by => { '-desc' => 'value' },
+      group_by => [ qw/ category_id quantised_weeks essential / ],
     }
   );
 
   my $data = { categories => {}, essentials => {} };
 
+  my $category_list = $c->schema->resultset('Category')->as_hash;
+
   for my $cat_trans ( $month_transaction_category_rs->all ) {
     my $quantised = $c->db_datetime_parser->parse_datetime($cat_trans->get_column('quantised'));
     my $days = $c->format_iso_date( $quantised ) || 0;
-    my $category = $cat_trans->get_column('category_id') || undef;
+    my $category = $cat_trans->get_column('category_id') || 0;
     my $value = ($cat_trans->get_column('value') || 0) / 100000;
-    $data->{categories}->{$days} = [] unless exists $data->{categories}->{$days};
-    push @{ $data->{categories}->{$days} }, {
-      days => $days,
-      value => $value,
-      category => $category,
-    };
+    $data->{categories}->{$days}->{$category_list->{$category}} += $value;
     next unless $cat_trans->get_column('essential');
     $data->{essentials}->{$days}->{value} += $value;
   }
 
   for my $day ( keys %{ $data->{categories} } ) {
-    $data->{categories}->{$day} = [ sort { $b->{value} <=> $a->{value} } @{ $data->{categories}->{$day} } ];
+    my @days = ( map{ {
+      days => $day,
+      value => $data->{categories}->{$day}->{$_},
+      category => $_,
+    } } keys %{ $data->{categories}->{$day} } );
+    $data->{categories}->{$day} = [ sort { $b->{value} <=> $a->{value} } @days ];
   }
 
   return $c->render(
diff --git a/lib/Pear/LocalLoop/Controller/Api/Upload.pm b/lib/Pear/LocalLoop/Controller/Api/Upload.pm
index 31fa234..c638645 100644
--- a/lib/Pear/LocalLoop/Controller/Api/Upload.pm
+++ b/lib/Pear/LocalLoop/Controller/Api/Upload.pm
@@ -243,21 +243,12 @@ sub post_category {
   my $c = shift;
   my $self = $c;
 
-  my $category_rs = $c->schema->resultset('Category');
-
-  # for ( $category_rs->all ) {
-  #   push @{ $categories->{ ids } }, $_->get_column('id');
-  #   push @{ $categories->{ names } }, $_->get_column('name');
-  # }
-  my %category_list = (
-    map {
-      $_->id => $_->name,
-    } $category_rs->all
-  );
+  my $category_list = $c->schema->resultset('Category')->as_hash;
+  delete $category_list->{0};
 
   return $self->render( json => {
     success => Mojo::JSON->true,
-    categories => \%category_list,
+    categories => $category_list,
   });
 }
 
diff --git a/lib/Pear/LocalLoop/Schema/ResultSet/Category.pm b/lib/Pear/LocalLoop/Schema/ResultSet/Category.pm
new file mode 100644
index 0000000..59f9b98
--- /dev/null
+++ b/lib/Pear/LocalLoop/Schema/ResultSet/Category.pm
@@ -0,0 +1,22 @@
+package Pear::LocalLoop::Schema::ResultSet::Category;
+
+use strict;
+use warnings;
+
+use base 'DBIx::Class::ResultSet';
+
+sub as_hash {
+  my ( $self ) = @_;
+
+  my %category_list = (
+    (
+      map {
+        $_->id => $_->name,
+      } $self->all
+    ),
+    0 => 'Uncategorised',
+  );
+  return \%category_list;
+}
+
+1;