diff --git a/src/pretix/base/templates/pretixbase/email/simple_logo.html b/src/pretix/base/templates/pretixbase/email/simple_logo.html
index 229eb1c1f5..e2ffd5fd6d 100644
--- a/src/pretix/base/templates/pretixbase/email/simple_logo.html
+++ b/src/pretix/base/templates/pretixbase/email/simple_logo.html
@@ -165,6 +165,9 @@
             color: {{ color }};
         }
 
+        .order {
+            border-top: 1px solid #ccc;
+        }
         .order-button {
             padding-top: 5px;
             text-align: center;