diff --git a/src/media_element.rs b/src/media_element.rs
index 1fc8450..86f286e 100644
--- a/src/media_element.rs
+++ b/src/media_element.rs
@@ -2,7 +2,7 @@ use minidom::Element;
 
 use error::Error;
 
-const MEDIA_ELEMENT_NS: &'static str = "urn:xmpp:media-element";
+use ns::MEDIA_ELEMENT_NS;
 
 #[derive(Debug)]
 pub struct URI {