diff --git a/src/Umbraco.Web.UI/config/umbracoSettings.Release.config b/src/Umbraco.Web.UI/config/umbracoSettings.Release.config
index 7d3d0848ad..d0c70abe69 100644
--- a/src/Umbraco.Web.UI/config/umbracoSettings.Release.config
+++ b/src/Umbraco.Web.UI/config/umbracoSettings.Release.config
@@ -110,7 +110,7 @@
     <DocumentTypeIconList>ShowDuplicates</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>