--- a/servo/components/net_traits/lib.rs
+++ b/servo/components/net_traits/lib.rs
@@ -223,20 +223,18 @@ impl FetchTaskTarget for IpcSender<Fetch
         let _ = self.send(FetchResponseMsg::ProcessResponse(response.metadata()));
     }
 
     fn process_response_chunk(&mut self, chunk: Vec<u8>) {
         let _ = self.send(FetchResponseMsg::ProcessResponseChunk(chunk));
     }
 
     fn process_response_eof(&mut self, response: &Response) {
-        if response.is_network_error() {
-            // todo: finer grained errors
-            let _ =
-                self.send(FetchResponseMsg::ProcessResponseEOF(Err(NetworkError::Internal("Network error".into()))));
+        if let Some(e) = response.get_network_error() {
+            let _ = self.send(FetchResponseMsg::ProcessResponseEOF(Err(e.clone())));
         } else {
             let _ = self.send(FetchResponseMsg::ProcessResponseEOF(Ok(())));
         }
     }
 }
 
 
 pub trait Action<Listener> {