diff --git a/src/pretix/plugins/paypal/templates/pretixplugins/paypal/redirect.html b/src/pretix/plugins/paypal/templates/pretixplugins/paypal/redirect.html
index 2b7ff2984d..87e25bcab2 100644
--- a/src/pretix/plugins/paypal/templates/pretixplugins/paypal/redirect.html
+++ b/src/pretix/plugins/paypal/templates/pretixplugins/paypal/redirect.html
@@ -20,7 +20,8 @@
             {% trans "The window to enter your payment data was not opened or was closed?" %}
         </p>
         <p>
-            <a href="{{ url }}" target="_blank">
+            <a href="{{ url }}" target="_blank" class="btn btn-default btn-lg">
+                <span class="fa fa-external-link-square"></span>
                 {% trans "Click here in order to open the window." %}
             </a>
         </p>
diff --git a/src/pretix/plugins/paypal2/templates/pretixplugins/paypal2/redirect.html b/src/pretix/plugins/paypal2/templates/pretixplugins/paypal2/redirect.html
index 2b7ff2984d..87e25bcab2 100644
--- a/src/pretix/plugins/paypal2/templates/pretixplugins/paypal2/redirect.html
+++ b/src/pretix/plugins/paypal2/templates/pretixplugins/paypal2/redirect.html
@@ -20,7 +20,8 @@
             {% trans "The window to enter your payment data was not opened or was closed?" %}
         </p>
         <p>
-            <a href="{{ url }}" target="_blank">
+            <a href="{{ url }}" target="_blank" class="btn btn-default btn-lg">
+                <span class="fa fa-external-link-square"></span>
                 {% trans "Click here in order to open the window." %}
             </a>
         </p>
diff --git a/src/pretix/plugins/stripe/templates/pretixplugins/stripe/redirect.html b/src/pretix/plugins/stripe/templates/pretixplugins/stripe/redirect.html
index 2b7ff2984d..87e25bcab2 100644
--- a/src/pretix/plugins/stripe/templates/pretixplugins/stripe/redirect.html
+++ b/src/pretix/plugins/stripe/templates/pretixplugins/stripe/redirect.html
@@ -20,7 +20,8 @@
             {% trans "The window to enter your payment data was not opened or was closed?" %}
         </p>
         <p>
-            <a href="{{ url }}" target="_blank">
+            <a href="{{ url }}" target="_blank" class="btn btn-default btn-lg">
+                <span class="fa fa-external-link-square"></span>
                 {% trans "Click here in order to open the window." %}
             </a>
         </p>