diff --git a/aquatic_http_load_test/src/network.rs b/aquatic_http_load_test/src/network.rs
index ee2a50c..dc40c7c 100644
--- a/aquatic_http_load_test/src/network.rs
+++ b/aquatic_http_load_test/src/network.rs
@@ -91,9 +91,10 @@ impl Connection {
                                         state.statistics.responses_scrape
                                             .fetch_add(1, Ordering::SeqCst);
                                     },
-                                    Response::Failure(_) => {
+                                    Response::Failure(response) => {
                                         state.statistics.responses_failure
                                             .fetch_add(1, Ordering::SeqCst);
+                                        println!("failure response: reason: {}", response.failure_reason);
                                     },
                                 }
 
diff --git a/aquatic_http_protocol/src/request.rs b/aquatic_http_protocol/src/request.rs
index 9b46041..0967525 100644
--- a/aquatic_http_protocol/src/request.rs
+++ b/aquatic_http_protocol/src/request.rs
@@ -32,7 +32,7 @@ impl AnnounceRequest {
         output.write_all(b"&port=")?;
         output.write_all(itoa::Buffer::new().format(self.port).as_bytes())?;
 
-        output.write_all(b"&left=")?;
+        output.write_all(b"&uploaded=0&downloaded=0&left=")?;
         output.write_all(itoa::Buffer::new().format(self.bytes_left).as_bytes())?;
 
         match self.event {
@@ -55,7 +55,7 @@ impl AnnounceRequest {
             output.write_all(::urlencoding::encode(key.as_str()).as_bytes())?;
         }
 
-        output.write_all(b" HTTP/1.1\r\nConnection: keep-alive\r\n\r\n")?;
+        output.write_all(b" HTTP/1.1\r\nHost: localhost\r\n\r\n")?;
 
         Ok(())
     }