diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/en_us.xml b/src/Umbraco.Web.UI/umbraco/config/lang/en_us.xml
index 262d241c65..54e4918126 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/en_us.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/en_us.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<language alias="en" intName="English (UK)" localName="English (UK)" lcid="" culture="en-GB">
+<language alias="en_us" intName="English (US)" localName="English (US)" lcid="" culture="en-US">
   <creator>
     <name>umbraco</name>
     <link>http://umbraco.org</link>