diff --git a/src/Umbraco.Core/Configuration/UmbracoSettings.cs b/src/Umbraco.Core/Configuration/UmbracoSettings.cs
index fd7cc9ade9..edd16d40a1 100644
--- a/src/Umbraco.Core/Configuration/UmbracoSettings.cs
+++ b/src/Umbraco.Core/Configuration/UmbracoSettings.cs
@@ -673,7 +673,7 @@ namespace Umbraco.Core.Configuration
         /// <summary>
         /// File types that will not be allowed to be uploaded via the content/media upload control
         /// </summary>
-	    public static IEnumerable<string> DissallowedUploadFiles
+	    public static IEnumerable<string> DisallowedUploadFiles
 	    {
 	        get
 	        {
diff --git a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
index 0a78e82de8..2ea029c178 100644
--- a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
+++ b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
@@ -2283,7 +2283,9 @@
       <SubType>Designer</SubType>
     </Content>
     <Content Include="config\tinyMceConfig.config" />
-    <Content Include="config\umbracoSettings.config" />
+    <Content Include="config\umbracoSettings.config">
+      <SubType>Designer</SubType>
+    </Content>
     <Content Include="config\xsltExtensions.config" />
     <Content Include="config\UrlRewriting.config" />
     <Content Include="config\log4net.config" />
diff --git a/src/Umbraco.Web.UI/config/umbracoSettings.config b/src/Umbraco.Web.UI/config/umbracoSettings.config
index d6d0fa081f..5f8d677de3 100644
--- a/src/Umbraco.Web.UI/config/umbracoSettings.config
+++ b/src/Umbraco.Web.UI/config/umbracoSettings.config
@@ -104,7 +104,7 @@
     <DocumentTypeIconList>HideFileDuplicates</DocumentTypeIconList>
     
     <!-- These file types will not be allowed to be uploaded via the upload control for media and content -->
-    <dissallowedUploadFiles>ashx,aspx,ascx,config,cshtml,vbhtml,asmx,air,axd</dissallowedUploadFiles>
+    <disallowedUploadFiles>ashx,aspx,ascx,config,cshtml,vbhtml,asmx,air,axd</disallowedUploadFiles>
   </content>
 
   <security>
diff --git a/src/umbraco.businesslogic/UmbracoSettings.cs b/src/umbraco.businesslogic/UmbracoSettings.cs
index e7d57b5d7b..1b82199d38 100644
--- a/src/umbraco.businesslogic/UmbracoSettings.cs
+++ b/src/umbraco.businesslogic/UmbracoSettings.cs
@@ -285,9 +285,9 @@ namespace umbraco
         /// <summary>
         /// File types that will not be allowed to be uploaded via the content/media upload control
         /// </summary>
-        public static IEnumerable<string> DissallowedUploadFiles
+        public static IEnumerable<string> DisallowedUploadFiles
         {
-            get { return Umbraco.Core.Configuration.UmbracoSettings.DissallowedUploadFiles; }
+            get { return Umbraco.Core.Configuration.UmbracoSettings.DisallowedUploadFiles; }
         }
 
         /// <summary>
diff --git a/src/umbraco.editorControls/uploadfield/uploadField.cs b/src/umbraco.editorControls/uploadfield/uploadField.cs
index 3e23b9637e..4643d0e33a 100644
--- a/src/umbraco.editorControls/uploadfield/uploadField.cs
+++ b/src/umbraco.editorControls/uploadfield/uploadField.cs
@@ -89,7 +89,7 @@ namespace umbraco.editorControls
             //now check the file type
             var extension = Path.GetExtension(postedFile.FileName).TrimStart(".");
             
-            return UmbracoSettings.DissallowedUploadFiles.Any(x => x.InvariantEquals(extension)) == false;
+            return UmbracoSettings.DisallowedUploadFiles.Any(x => x.InvariantEquals(extension)) == false;
         }
 
         public string Text