diff --git a/djblets/static/djblets/js/jquery.gravy.modalBox.js b/djblets/static/djblets/js/jquery.gravy.modalBox.js
index af4b079bc67306cdc0a88a35564078a581b64dde..a37f2007c64644b586e575e51055a3e84a2169a2 100644
--- a/djblets/static/djblets/js/jquery.gravy.modalBox.js
+++ b/djblets/static/djblets/js/jquery.gravy.modalBox.js
@@ -103,7 +103,7 @@ $.widget("ui.modalBox", {
         });
 
         if (this.options.fadeBackground) {
-            this.bgbox.fadeTo(800, 0.7);
+            this.bgbox.fadeTo(350, 0.85);
         }
 
         $(window).bind("resize.modalbox", function() {