diff --git a/src/pretix/presale/templates/pretixpresale/event/index.html b/src/pretix/presale/templates/pretixpresale/event/index.html
index 9131dc4c47..540b598591 100644
--- a/src/pretix/presale/templates/pretixpresale/event/index.html
+++ b/src/pretix/presale/templates/pretixpresale/event/index.html
@@ -243,7 +243,7 @@
                                 <button class="btn btn-block btn-primary btn-lg" type="submit" id="btn-add-to-cart">
                                     {% if request.event.settings.redirect_to_checkout_directly %}
                                         {% if allfree %}
-                                            <i class="fa fa-check"></i> {% trans "Register" %}
+                                            <i class="fa fa-check"></i> {% trans "Register" context "free_tickets" %}
                                         {% else %}
                                            <i class="fa fa-shopping-cart"></i> {% trans "Proceed with checkout" %}
                                         {% endif %}
diff --git a/src/pretix/presale/templates/pretixpresale/event/voucher.html b/src/pretix/presale/templates/pretixpresale/event/voucher.html
index a4e5040804..1e754516b1 100644
--- a/src/pretix/presale/templates/pretixpresale/event/voucher.html
+++ b/src/pretix/presale/templates/pretixpresale/event/voucher.html
@@ -340,7 +340,7 @@
                         <button class="btn btn-block btn-primary btn-lg" id="btn-add-to-cart" type="submit">
                             {% if request.event.settings.redirect_to_checkout_directly %}
                                 {% if allfree %}
-                                    <i class="fa fa-check"></i> {% trans "Register" %}
+                                    <i class="fa fa-check"></i> {% trans "Register" context "free_tickets" %}
                                 {% else %}
                                     <i class="fa fa-shopping-cart"></i> {% trans "Proceed with checkout" %}
                                 {% endif %}