diff --git a/rtmp/conn.go b/rtmp/conn.go
index 2554d092..1db2cb6e 100644
--- a/rtmp/conn.go
+++ b/rtmp/conn.go
@@ -121,9 +121,6 @@ func Dial(url string, timeout uint, log Log) (*Conn, error) {
 	if err != nil {
 		return nil, err
 	}
-	if c.link.app == "" {
-		return nil, errInvalidURL
-	}
 	if c.link.port == 0 {
 		switch {
 		case (c.link.protocol & featureSSL) != 0:
diff --git a/rtmp/parseurl.go b/rtmp/parseurl.go
index eae4277e..ad3409b6 100644
--- a/rtmp/parseurl.go
+++ b/rtmp/parseurl.go
@@ -41,7 +41,6 @@ import (
 )
 
 // parseURL parses an RTMP URL (ok, technically it is lexing).
-// 
 func parseURL(addr string) (protocol int32, host string, port uint16, app, playpath string, err error) {
 	u, err := url.Parse(addr)
 	if err != nil {
@@ -81,6 +80,9 @@ func parseURL(addr string) (protocol int32, host string, port uint16, app, playp
 	}
 	elems := strings.SplitN(u.Path[1:], "/", 3)
 	app = elems[0]
+	if app == "" {
+		return protocol, host, port, app, playpath, errInvalidURL
+	}
 	playpath = elems[1]
 	if len(elems) == 3 && len(elems[2]) != 0 {
 		playpath = path.Join(elems[1:]...)