diff --git a/actix-service/CHANGES.md b/actix-service/CHANGES.md
index 1dad989e..4aa8a31b 100644
--- a/actix-service/CHANGES.md
+++ b/actix-service/CHANGES.md
@@ -1,5 +1,12 @@
 # Changes
 
+## [1.0.1] - 2019-12-22
+
+### Changed
+
+* `map_config()` and `unit_config()` accepts `IntoServiceFactory` type
+
+
 ## [1.0.0] - 2019-12-11
 
 ### Added
diff --git a/actix-service/Cargo.toml b/actix-service/Cargo.toml
index 31926c58..cd6507fa 100644
--- a/actix-service/Cargo.toml
+++ b/actix-service/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "actix-service"
-version = "1.0.0"
+version = "1.0.1"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Actix service"
 keywords = ["network", "framework", "async", "futures"]
diff --git a/actix-service/src/map_config.rs b/actix-service/src/map_config.rs
index 40b27c7d..7a1a1b89 100644
--- a/actix-service/src/map_config.rs
+++ b/actix-service/src/map_config.rs
@@ -1,28 +1,30 @@
 use std::marker::PhantomData;
 
-use super::ServiceFactory;
+use super::{IntoServiceFactory, ServiceFactory};
 
 /// Adapt external config argument to a config for provided service factory
 ///
 /// Note that this function consumes the receiving service factory and returns
 /// a wrapped version of it.
-pub fn map_config<T, F, C>(factory: T, f: F) -> MapConfig<T, F, C>
+pub fn map_config<T, U, F, C>(factory: U, f: F) -> MapConfig<T, F, C>
 where
     T: ServiceFactory,
+    U: IntoServiceFactory<T>,
     F: Fn(C) -> T::Config,
 {
-    MapConfig::new(factory, f)
+    MapConfig::new(factory.into_factory(), f)
 }
 
 /// Replace config with unit
-pub fn unit_config<T, C>(new_service: T) -> UnitConfig<T, C>
+pub fn unit_config<T, U, C>(factory: U) -> UnitConfig<T, C>
 where
     T: ServiceFactory<Config = ()>,
+    U: IntoServiceFactory<T>,
 {
-    UnitConfig::new(new_service)
+    UnitConfig::new(factory.into_factory())
 }
 
-/// `.map_config()` service combinator
+/// `map_config()` adapter service factory
 pub struct MapConfig<A, F, C> {
     a: A,
     f: F,