diff --git a/src/pretix/presale/templates/pretixpresale/event/fragment_cart.html b/src/pretix/presale/templates/pretixpresale/event/fragment_cart.html
index d884ed4fd8..f3a0d5567a 100644
--- a/src/pretix/presale/templates/pretixpresale/event/fragment_cart.html
+++ b/src/pretix/presale/templates/pretixpresale/event/fragment_cart.html
@@ -516,7 +516,10 @@
                 <p>
                     <span id="cart-extend-feedback" class="text-muted sr-only"></span>
                     <button class="btn btn-default" autofocus value="OK">
-                        {% icon "check" %} {% trans "Reservation renewed" %}
+                        <span role="img" aria-label="{% trans "OK" %}">
+                            {% icon "check" %}
+                        </span>
+                        {% trans "Reservation renewed" %}
                     </button>
                 </p>
             </form>