diff --git a/counter/templates/counter/cash_register_summary.jinja b/counter/templates/counter/cash_register_summary.jinja
index 122dc381..6c102b7b 100644
--- a/counter/templates/counter/cash_register_summary.jinja
+++ b/counter/templates/counter/cash_register_summary.jinja
@@ -19,7 +19,7 @@
     {% endif %}
     </p>
     {% endfor %}
-    <p><input type="submit" value="{% trans %}Save{% endtrans %}" /></p>
+    <p><input type="submit" name="submit" value="{% trans %}Save{% endtrans %}" onclick="return confirm('{% trans %}Are you sure ?{% endtrans %}');return false;" /></p>
 </form>
 {% endblock %}