diff --git a/src/Orchard.Web/Themes/TheAdmin/Views/Layout.cshtml b/src/Orchard.Web/Themes/TheAdmin/Views/Layout.cshtml
index 16f1be5b9..53578ce4e 100644
--- a/src/Orchard.Web/Themes/TheAdmin/Views/Layout.cshtml
+++ b/src/Orchard.Web/Themes/TheAdmin/Views/Layout.cshtml
@@ -8,6 +8,7 @@
 @{
     Style.Include("site.css");
 	Script.Require("jQuery");
+    Script.Require("ShapesBase");
     Script.Include("admin.js");
     RegisterLink(new LinkEntry { Condition = "lte IE 8", Rel = "stylesheet", Type = "text/css", Href = Url.Content("../Styles/ie.css") }.AddAttribute("media", "screen, projection"));
     RegisterLink(new LinkEntry { Condition = "lte IE 6", Rel = "stylesheet", Type = "text/css", Href = Url.Content("../Styles/ie6.css") }.AddAttribute("media", "screen, projection"));