diff --git a/bookwyrm/static/css/format.css b/bookwyrm/static/css/format.css
index c00384912..428afda4d 100644
--- a/bookwyrm/static/css/format.css
+++ b/bookwyrm/static/css/format.css
@@ -74,10 +74,11 @@ input.toggle-control:checked ~ .modal.toggle-content {
 }
 .cover-container.is-large {
     height: max-content;
-    max-width: 500px;
+    max-width: 330px;
 }
 .cover-container.is-large img {
     max-height: 500px;
+    height: auto;
 }
 .cover-container.is-medium {
     height: 150px;