diff --git a/app/templates/form_o2.html b/app/templates/form_o2.html
index fb040f0..7b84116 100644
--- a/app/templates/form_o2.html
+++ b/app/templates/form_o2.html
@@ -2,7 +2,7 @@
 {% block title %}Työkalu{% endblock %}
 {% block body %}
 <h1>Sir Miksalotti</h1>
-<form method="POST" action="/" enctype="multipart/form-data">
+<form method="POST" action="/o2" enctype="multipart/form-data">
   {{ form.csrf_token }}
   <div class="form-group row">
     {{ form.pressure.label(class_='col-sm-2 col-form-label') }}