diff --git a/src/Umbraco.Web/Editors/PackageInstallController.cs b/src/Umbraco.Web/Editors/PackageInstallController.cs
index 696c8c8e16..32a7a9c6be 100644
--- a/src/Umbraco.Web/Editors/PackageInstallController.cs
+++ b/src/Umbraco.Web/Editors/PackageInstallController.cs
@@ -20,6 +20,7 @@ using umbraco.cms.businesslogic.packager.repositories;
 using umbraco.cms.businesslogic.web;
 using umbraco.cms.presentation.Trees;
 using umbraco.presentation.developer.packages;
+using umbraco.Utils;
 using umbraco.webservices;
 using Umbraco.Core;
 using Umbraco.Core.Configuration;
@@ -212,6 +213,9 @@ namespace Umbraco.Web.Editors
                 var file = IOHelper.FindFile(item);
                 if (file != null)
                 {
+                    if (file.StartsWith("/") == false)
+                        file = string.Format("/{0}", file);
+
                     var filePath = IOHelper.MapPath(file);
                     if (File.Exists(filePath))
                     {