diff --git a/resources/views/reports/partials/category-period.twig b/resources/views/reports/partials/category-period.twig
index 8c489cc4ce..d24e0ec09f 100644
--- a/resources/views/reports/partials/category-period.twig
+++ b/resources/views/reports/partials/category-period.twig
@@ -1,11 +1,11 @@
 <table class="table table-hover sortable table-condensed">
     <thead>
     <tr>
-        <th data-defaultsort="disabled" colspan="2">{{ 'category'|_ }}</th>
+        <th data-defaultsign="az" colspan="2">{{ 'category'|_ }}</th>
         {% for period in periods %}
-            <th data-defaultsort="disabled">{{ period }}</th>
+            <th data-defaultsign="_19">{{ period }}</th>
         {% endfor %}
-        <th data-defaultsort="disabled">{{ 'sum'|_ }}</th>
+        <th data-defaultsign="_19">{{ 'sum'|_ }}</th>
     </tr>
     </thead>
     <tbody>
@@ -43,4 +43,4 @@
         </tr>
     {% endfor %}
     </tbody>
-</table>
\ No newline at end of file
+</table>