diff --git a/django/contrib/admin/media/js/admin/RelatedObjectLookups.js b/django/contrib/admin/media/js/admin/RelatedObjectLookups.js
index cf57fc4dfb..db4ed1a9d1 100644
--- a/django/contrib/admin/media/js/admin/RelatedObjectLookups.js
+++ b/django/contrib/admin/media/js/admin/RelatedObjectLookups.js
@@ -11,7 +11,7 @@ function showRelatedObjectLookupPopup(triggeringLink) {
     } else {
         href = triggeringLink.href + '?pop=1';
     }
-    var win = window.open(href, name, 'height=500,width=740,resizable=yes,scrollbars=yes');
+    var win = window.open(href, name, 'height=500,width=800,resizable=yes,scrollbars=yes');
     win.focus();
     return false;
 }