diff --git a/actix-http/CHANGES.md b/actix-http/CHANGES.md
index 5b86a3977..1a7e5ed5b 100644
--- a/actix-http/CHANGES.md
+++ b/actix-http/CHANGES.md
@@ -1,5 +1,9 @@
 # Changes
 
+### Added
+
+* Add impl ResponseBuilder for Error
+
 ## [1.0.0-alpha.3] - 2019-12-07
 
 ### Changed
diff --git a/actix-http/src/client/connector.rs b/actix-http/src/client/connector.rs
index 02e9df7d1..c78597d01 100644
--- a/actix-http/src/client/connector.rs
+++ b/actix-http/src/client/connector.rs
@@ -87,9 +87,9 @@ impl Connector<(), ()> {
                 let protos = vec![b"h2".to_vec(), b"http/1.1".to_vec()];
                 let mut config = ClientConfig::new();
                 config.set_protocols(&protos);
-                config.root_store.add_server_trust_anchors(
-                    &actix_tls::rustls::TLS_SERVER_ROOTS,
-                );
+                config
+                    .root_store
+                    .add_server_trust_anchors(&actix_tls::rustls::TLS_SERVER_ROOTS);
                 SslConnector::Rustls(Arc::new(config))
             }
             #[cfg(not(any(feature = "openssl", feature = "rustls")))]
diff --git a/actix-http/src/error.rs b/actix-http/src/error.rs
index c580f3846..ec56900fc 100644
--- a/actix-http/src/error.rs
+++ b/actix-http/src/error.rs
@@ -22,7 +22,7 @@ use serde_urlencoded::ser::Error as FormError;
 use crate::body::Body;
 pub use crate::cookie::ParseError as CookieParseError;
 use crate::helpers::Writer;
-use crate::response::Response;
+use crate::response::{Response, ResponseBuilder};
 
 /// A specialized [`Result`](https://doc.rust-lang.org/std/result/enum.Result.html)
 /// for actix web operations
@@ -157,6 +157,20 @@ impl<T: ResponseError + 'static> From<T> for Error {
     }
 }
 
+/// Convert Response to a Error
+impl From<Response> for Error {
+    fn from(res: Response) -> Error {
+        InternalError::from_response("", res).into()
+    }
+}
+
+/// Convert ResponseBuilder to a Error
+impl From<ResponseBuilder> for Error {
+    fn from(mut res: ResponseBuilder) -> Error {
+        InternalError::from_response("", res.finish()).into()
+    }
+}
+
 /// Return `GATEWAY_TIMEOUT` for `TimeoutError`
 impl<E: ResponseError> ResponseError for TimeoutError<E> {
     fn status_code(&self) -> StatusCode {
@@ -555,13 +569,6 @@ where
     }
 }
 
-/// Convert Response to a Error
-impl From<Response> for Error {
-    fn from(res: Response) -> Error {
-        InternalError::from_response("", res).into()
-    }
-}
-
 /// Helper function that creates wrapper of any error and generate *BAD
 /// REQUEST* response.
 #[allow(non_snake_case)]