diff --git a/src/config.rs b/src/config.rs
index 960f13706..a9e705c95 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -65,7 +65,7 @@ impl Default for ServiceConfig {
 
 impl ServiceConfig {
     /// Create instance of `ServiceConfig`
-    pub(crate) fn new(
+    pub fn new(
         keep_alive: KeepAlive,
         client_timeout: u64,
         client_disconnect: u64,
@@ -282,7 +282,7 @@ impl ServiceConfigBuilder {
     }
 
     /// Finish service configuration and create `ServiceConfig` object.
-    pub fn finish(self) -> ServiceConfig {
+    pub fn finish(&mut self) -> ServiceConfig {
         ServiceConfig::new(self.keep_alive, self.client_timeout, self.client_disconnect)
     }
 }
diff --git a/src/h1/service.rs b/src/h1/service.rs
index 4beb4c9e4..4c1fb9a82 100644
--- a/src/h1/service.rs
+++ b/src/h1/service.rs
@@ -34,7 +34,7 @@ where
     S::Service: 'static,
     B: MessageBody,
 {
-    /// Create new `HttpService` instance.
+    /// Create new `HttpService` instance with default config.
     pub fn new<F: IntoNewService<S>>(service: F) -> Self {
         let cfg = ServiceConfig::new(KeepAlive::Timeout(5), 5000, 0);
 
@@ -45,6 +45,15 @@ where
         }
     }
 
+    /// Create new `HttpService` instance with config.
+    pub fn with_config<F: IntoNewService<S>>(cfg: ServiceConfig, service: F) -> Self {
+        H1Service {
+            cfg,
+            srv: service.into_new_service(),
+            _t: PhantomData,
+        }
+    }
+
     /// Create builder for `HttpService` instance.
     pub fn build() -> H1ServiceBuilder<T, S> {
         H1ServiceBuilder::new()