diff --git a/group.go b/group.go
index 2b6898b2..cd77abf8 100644
--- a/group.go
+++ b/group.go
@@ -19,7 +19,11 @@ func (g *Group) Use(middleware ...MiddlewareFunc) {
 	// Allow requests `/prefix & /prefix/*` to reach the group as they might get
 	// dropped if router doesn't find a match, making none of the group middleware
 	// execute.
-	g.Any("", NotFoundHandler, g.middleware...)
+	p := ""
+	if g.prefix == "" {
+		p = "/"
+	}
+	g.Any(p, NotFoundHandler, g.middleware...)
 	g.Any("/*", NotFoundHandler, g.middleware...)
 }
 
diff --git a/middleware/static.go b/middleware/static.go
index ad9a8e06..7d3aadf7 100644
--- a/middleware/static.go
+++ b/middleware/static.go
@@ -16,7 +16,7 @@ type (
 		Skipper Skipper
 
 		// Prefix to strip from the request URL path.
-		// Required.
+		// Optional. Default value "".
 		Prefix string `json:"root"`
 
 		// Root directory from where the static content is served.
@@ -48,9 +48,8 @@ var (
 
 // Static returns a Static middleware to serves static content from the provided
 // root directory.
-func Static(prefix, root string) echo.MiddlewareFunc {
+func Static(root string) echo.MiddlewareFunc {
 	c := DefaultStaticConfig
-	c.Prefix = prefix
 	c.Root = root
 	return StaticWithConfig(c)
 }
diff --git a/recipe/file-upload/multiple/server.go b/recipe/file-upload/multiple/server.go
index 5a70ec0c..292d64f9 100644
--- a/recipe/file-upload/multiple/server.go
+++ b/recipe/file-upload/multiple/server.go
@@ -57,7 +57,7 @@ func main() {
 
 	e.Use(middleware.Logger())
 	e.Use(middleware.Recover())
-	e.Use(middleware.Static("public"))
+	e.Use(middleware.Static(  "public"))
 
 	e.POST("/upload", upload)
 
diff --git a/recipe/file-upload/single/server.go b/recipe/file-upload/single/server.go
index d7ea8f34..4048aa58 100644
--- a/recipe/file-upload/single/server.go
+++ b/recipe/file-upload/single/server.go
@@ -51,7 +51,7 @@ func main() {
 
 	e.Use(middleware.Logger())
 	e.Use(middleware.Recover())
-	e.Use(middleware.Static("public"))
+	e.Use(middleware.Static(  "public"))
 
 	e.POST("/upload", upload)
 
diff --git a/recipe/google-app-engine/app-standalone.go b/recipe/google-app-engine/app-standalone.go
index c142a314..f6dd1252 100644
--- a/recipe/google-app-engine/app-standalone.go
+++ b/recipe/google-app-engine/app-standalone.go
@@ -14,7 +14,7 @@ func createMux() *echo.Echo {
 	e.Use(middleware.Logger())
 	e.Use(middleware.Gzip())
 
-	e.Use(middleware.Static("public"))
+	e.Use(middleware.Static(  "public"))
 
 	return e
 }
diff --git a/recipe/jsonp/server.go b/recipe/jsonp/server.go
index 213bf34d..6156b61c 100644
--- a/recipe/jsonp/server.go
+++ b/recipe/jsonp/server.go
@@ -13,7 +13,7 @@ func main() {
 	e := echo.New()
 	e.Use(middleware.Logger())
 	e.Use(middleware.Recover())
-	e.Use(middleware.Static("public"))
+	e.Use(middleware.Static(  "public"))
 
 	// JSONP
 	e.GET("/jsonp", func(c echo.Context) error {
diff --git a/recipe/websocket/gorilla/server.go b/recipe/websocket/gorilla/server.go
index b20ca781..9711b43a 100644
--- a/recipe/websocket/gorilla/server.go
+++ b/recipe/websocket/gorilla/server.go
@@ -41,7 +41,7 @@ func main() {
 	e := echo.New()
 	e.Use(middleware.Logger())
 	e.Use(middleware.Recover())
-	e.Use(middleware.Static("../public"))
+	e.Use(middleware.Static(  "../public"))
 	e.GET("/ws", hello)
 	if err := e.Start(":1323"); err != nil {
 		panic(err)
diff --git a/recipe/websocket/net/server.go b/recipe/websocket/net/server.go
index 078392fc..a5195a98 100644
--- a/recipe/websocket/net/server.go
+++ b/recipe/websocket/net/server.go
@@ -35,7 +35,7 @@ func main() {
 	e := echo.New()
 	e.Use(middleware.Logger())
 	e.Use(middleware.Recover())
-	e.Use(middleware.Static("../public"))
+	e.Use(middleware.Static(  "../public"))
 	e.GET("/ws", hello)
 	if err := e.Start(":1323"); err != nil {
 		panic(err)