diff --git a/core/themes/seven/style.css b/core/themes/seven/style.css
index fc105a788d55..e1ae4d011a18 100644
--- a/core/themes/seven/style.css
+++ b/core/themes/seven/style.css
@@ -851,6 +851,7 @@ body.in-maintenance .form-submit {
 }
 body.in-maintenance #logo {
   margin-bottom: 1.5em;
+  max-width: 180px;
 }
 ol.task-list {
   margin-left: 0; /* LTR */