diff --git a/src/components/util/url.rs b/src/components/util/url.rs
index a3677dd6415..20006eca6e0 100644
--- a/src/components/util/url.rs
+++ b/src/components/util/url.rs
@@ -17,7 +17,7 @@ Create a URL object from a string. Does various helpful browsery things like
 
 */
 // TODO: about:failure->
-pub fn make_url(str_url: ~str, current_url: Option<Url>) -> Url {
+pub fn make_url(str_url: &str, current_url: Option<Url>) -> Url {
     let str_url = str_url.trim_chars(& &[' ', '\t', '\n', '\r', '\x0C']).to_owned();
     let schm = url::get_scheme(str_url);
     let str_url = match schm {