diff --git a/app/views/budgets/investments/_categories.html.erb b/app/views/budgets/investments/_categories.html.erb
index ad628b1b1..9432cb06c 100644
--- a/app/views/budgets/investments/_categories.html.erb
+++ b/app/views/budgets/investments/_categories.html.erb
@@ -5,7 +5,8 @@
 <ul id="categories" class="no-bullet categories">
   <% @categories.each do |category| %>
     <li class="inline-block">
-      <%= link_to category.name,
-                  budget_investments_path(@budget, search: category.name) %></li>
+      <% css_class = { class: 'active' } if params[:search] == category.name %>
+      <%= link_to category.name, budget_investments_path(@budget, search: category.name), css_class || {} %>
+    </li>
   <% end %>
-</ul>
\ No newline at end of file
+</ul>
diff --git a/app/views/proposals/_categories.html.erb b/app/views/proposals/_categories.html.erb
index ec87fd734..a694eb555 100644
--- a/app/views/proposals/_categories.html.erb
+++ b/app/views/proposals/_categories.html.erb
@@ -4,6 +4,9 @@
 
 <ul id="categories" class="no-bullet categories">
   <% @categories.each do |category| %>
-    <li class="inline-block"><%= link_to category.name, proposals_path(search: category.name) %></li>
+    <li class="inline-block">
+      <% css_class = { class: 'active' } if params[:search] == category.name %>
+      <%= link_to category.name, proposals_path(search: category.name), css_class || {} %>
+    </li>
   <% end %>
 </ul>