diff --git a/server.go b/server.go
index cb7b2cf1be..b015e459f3 100644
--- a/server.go
+++ b/server.go
@@ -52,9 +52,9 @@ func (v *simpleVersionInfo) Version() string {
 // docker, go, git-commit (of the docker) and the host's kernel.
 //
 // Such information will be used on call to NewRegistry().
-func (srv *Server) versionInfos() []registry.VersionInfo {
+func (srv *Server) versionInfos() []utils.VersionInfo {
 	v := srv.DockerVersion()
-	ret := make([]registry.VersionInfo, 0, 4)
+	ret := make([]utils.VersionInfo, 0, 4)
 	ret = append(ret, &simpleVersionInfo{"docker", v.Version})
 
 	if len(v.GoVersion) > 0 {
@@ -102,7 +102,7 @@ func (srv *Server) ContainerExport(name string, out io.Writer) error {
 }
 
 func (srv *Server) ImagesSearch(term string) ([]APISearch, error) {
-	r, err := registry.NewRegistry(srv.runtime.root, nil, srv.versionInfos()...)
+	r, err := registry.NewRegistry(srv.runtime.root, nil, srv.reqFactory)
 	if err != nil {
 		return nil, err
 	}
@@ -559,7 +559,7 @@ func (srv *Server) poolRemove(kind, key string) error {
 }
 
 func (srv *Server) ImagePull(localName string, tag string, out io.Writer, sf *utils.StreamFormatter, authConfig *auth.AuthConfig) error {
-	r, err := registry.NewRegistry(srv.runtime.root, authConfig, srv.versionInfos()...)
+	r, err := registry.NewRegistry(srv.runtime.root, authConfig, srv.reqFactory)
 	if err != nil {
 		return err
 	}
@@ -720,7 +720,7 @@ func (srv *Server) ImagePush(localName string, out io.Writer, sf *utils.StreamFo
 
 	out = utils.NewWriteFlusher(out)
 	img, err := srv.runtime.graph.Get(localName)
-	r, err2 := registry.NewRegistry(srv.runtime.root, authConfig, srv.versionInfos()...)
+	r, err2 := registry.NewRegistry(srv.runtime.root, authConfig, srv.reqFactory)
 	if err2 != nil {
 		return err2
 	}
@@ -1164,7 +1164,11 @@ func NewServer(flGraphPath string, autoRestart, enableCors bool, dns ListOpts) (
 		pushingPool: make(map[string]struct{}),
 		events:      make([]utils.JSONMessage, 0, 64), //only keeps the 64 last events
 		listeners:   make(map[string]chan utils.JSONMessage),
+		reqFactory:  nil,
 	}
+	ud := utils.NewHTTPUserAgentDecorator(srv.versionInfos()...)
+	factory := utils.NewHTTPRequestFactory(ud)
+	srv.reqFactory = factory
 	runtime.srv = srv
 	return srv, nil
 }
@@ -1189,4 +1193,5 @@ type Server struct {
 	pushingPool map[string]struct{}
 	events      []utils.JSONMessage
 	listeners   map[string]chan utils.JSONMessage
+	reqFactory  *utils.HTTPRequestFactory
 }
diff --git a/utils/http.go b/utils/http.go
index 61fdbff04e..8c1e4b7a79 100644
--- a/utils/http.go
+++ b/utils/http.go
@@ -113,6 +113,11 @@ func (self *HTTPRequestFactory) NewRequest(method, urlStr string, body io.Reader
 	if err != nil {
 		return nil, err
 	}
+
+	// By default, a nil factory should work.
+	if self == nil {
+		return req, nil
+	}
 	for _, dec := range self.decorators {
 		req, err = dec.ChangeRequest(req)
 		if err != nil {