diff --git a/app/Http/Controllers/CategoryController.php b/app/Http/Controllers/CategoryController.php
index 3136edf3ae..a9b76e97b7 100644
--- a/app/Http/Controllers/CategoryController.php
+++ b/app/Http/Controllers/CategoryController.php
@@ -9,7 +9,7 @@
  * See the LICENSE file for details.
  */
 
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace FireflyIII\Http\Controllers;
 
@@ -493,6 +493,7 @@ class CategoryController extends Controller
                     'name'        => $dateName,
                     'spent'       => $spent,
                     'earned'      => $earned,
+                    'sum'         => bcadd($earned, $spent),
                     'transferred' => $transferred,
                     'date'        => clone $end,
                 ]
diff --git a/resources/views/categories/show.twig b/resources/views/categories/show.twig
index 4f02a75416..9fa172096b 100644
--- a/resources/views/categories/show.twig
+++ b/resources/views/categories/show.twig
@@ -109,6 +109,12 @@
                                     <td style="width:33%;">{{ 'earned'|_ }}</td>
                                     <td style="text-align: right;">{{ period.earned|formatAmount }}</td>
                                 </tr>
+                                {% if period.earned != 0 and period.spent != 0 %}
+                                <tr>
+                                    <td style="width:33%;">{{ 'sum'|_ }}</td>
+                                    <td style="text-align: right;">{{ period.sum|formatAmount }}</td>
+                                </tr>
+                                {% endif %}
                                 <tr>
                                     <td style="width:33%;">{{ 'transferred'|_ }}</td>
                                     <td style="text-align: right;" class="text-info">{{ period.transferred|formatAmountPlain }}</td>