diff --git a/src/pretix/control/templates/pretixcontrol/pdf/index.html b/src/pretix/control/templates/pretixcontrol/pdf/index.html
index e209dcfb1..36cac79df 100644
--- a/src/pretix/control/templates/pretixcontrol/pdf/index.html
+++ b/src/pretix/control/templates/pretixcontrol/pdf/index.html
@@ -183,6 +183,7 @@
                         </div>
                     {% endif %}
                     <div class="row control-group pdf-info">
+                        <hr/>
                         <div class="col-sm-6">
                             <label>{% trans "Width (mm)" %}</label><br>
                             <input type="number" id="pdf-info-width" class="input-block-level form-control">
@@ -224,6 +225,7 @@
                         </div>
                     </div>
                     <div class="row control-group pdf-info">
+                        <hr/>
                         <div class="col-sm-12">
                             <label>{% trans "Preferred language" %}</label><br>
                             <select class="form-control" id="pdf-info-locale">
diff --git a/src/pretix/static/pretixcontrol/js/ui/editor.js b/src/pretix/static/pretixcontrol/js/ui/editor.js
index d34b7c8c5..426e19ca2 100644
--- a/src/pretix/static/pretixcontrol/js/ui/editor.js
+++ b/src/pretix/static/pretixcontrol/js/ui/editor.js
@@ -1143,7 +1143,7 @@ var editor = {
             editor.dirty = true;
             editor._update_save_button();
         });
-        $("#pdf-info-width, #pdf-info-height").bind('change', editor._paper_size_warning);
+        $("#pdf-info-width, #pdf-info-height").bind('change input', editor._paper_size_warning);
 
         $.getJSON($("#schema-url").text(), function (data) {
             editor.schema = data;