diff --git a/app/assets/stylesheets/participacion.scss b/app/assets/stylesheets/participacion.scss
index 7454c9cdb..bf4882ef4 100644
--- a/app/assets/stylesheets/participacion.scss
+++ b/app/assets/stylesheets/participacion.scss
@@ -380,6 +380,12 @@ header {
 
   .search-form {
     padding-top: rem-calc(14);
+
+    .postfix {
+      background: $brand;
+      border: 0;
+      color: white;
+    }
   }
 }
 
diff --git a/app/views/shared/_search_form_header.html.erb b/app/views/shared/_search_form_header.html.erb
index 35c8e534d..343b8d3e6 100644
--- a/app/views/shared/_search_form_header.html.erb
+++ b/app/views/shared/_search_form_header.html.erb
@@ -2,10 +2,19 @@
   <div class="row">
 
     <%= form_tag debates_path, method: :get do %>
-      <div class="small-12 columns">
-        <input type="text" name="search" placeholder="<%= t("shared.search_form.search_placeholder") %>" class="search-form">
+    <div class="small-12 columns">
+      <div class="row collapse">
+        <div class="small-10 column">
+          <input type="text" name="search" placeholder="<%= t("shared.search_form.search_placeholder") %>" class="search-form">
+        </div>
+        <div class="small-2 column">
+          <button type="submit" class="button postfix" title="<%= t('shared.search_form.search_button') %>">
+            <i class="icon-search"></i>
+          </button>
+        </div>
       </div>
+    </div>
     <% end %>
 
   </div>
-</div>
\ No newline at end of file
+</div>