diff --git a/cmd/exec/exec.go b/cmd/exec/exec.go
index 20d2fc14..547d6a95 100644
--- a/cmd/exec/exec.go
+++ b/cmd/exec/exec.go
@@ -53,7 +53,7 @@ func Handle(url string) (core.Producer, error) {
 	path := "/" + hex.EncodeToString(sum[:])
 
 	url = strings.Replace(
-		url, "{output}", "rtsp://localhost:"+rtsp.Port+path, 1,
+		url, "{output}", "rtsp://127.0.0.1:"+rtsp.Port+path, 1,
 	)
 
 	// remove `exec:`
diff --git a/cmd/ffmpeg/ffmpeg.go b/cmd/ffmpeg/ffmpeg.go
index d5dfe988..89a49537 100644
--- a/cmd/ffmpeg/ffmpeg.go
+++ b/cmd/ffmpeg/ffmpeg.go
@@ -157,7 +157,7 @@ func parseArgs(s string) *Args {
 			args.input = "-i " + s
 		}
 	} else if streams.Get(s) != nil {
-		s = "rtsp://localhost:" + rtsp.Port + "/" + s
+		s = "rtsp://127.0.0.1:" + rtsp.Port + "/" + s
 		switch {
 		case args.video > 0 && args.audio == 0:
 			s += "?video"