diff --git a/public/css/module.less b/public/css/module.less
index 0ba1911e..e0799e19 100644
--- a/public/css/module.less
+++ b/public/css/module.less
@@ -462,6 +462,10 @@ form dt label {
     }
 }
 
+form fieldset {
+    min-width: 36em;
+}
+
 form dd input.related-action[type='submit'] {
     display: none;
 }