diff --git a/rpc-toolkit/src/context.rs b/rpc-toolkit/src/context.rs
index 320c836..e1d5ecf 100644
--- a/rpc-toolkit/src/context.rs
+++ b/rpc-toolkit/src/context.rs
@@ -7,19 +7,25 @@ lazy_static! {
 }
 
 pub trait Context {
+    fn protocol(&self) -> &str {
+        "http"
+    }
     fn host(&self) -> Host<&str> {
         Host::Ipv4([127, 0, 0, 1].into())
     }
     fn port(&self) -> u16 {
         8080
     }
-    fn protocol(&self) -> &str {
-        "http"
+    fn path(&self) -> &str {
+        "/"
     }
     fn url(&self) -> Url {
-        format!("{}://{}:{}", self.protocol(), self.host(), self.port())
-            .parse()
-            .unwrap()
+        let mut url: Url = "http://localhost".parse().unwrap();
+        url.set_scheme(self.protocol()).expect("protocol");
+        url.set_host(Some(&self.host().to_string())).expect("host");
+        url.set_port(Some(self.port())).expect("port");
+        url.set_path(self.path());
+        url
     }
     fn client(&self) -> &Client {
         &*DEFAULT_CLIENT