diff --git a/stream/__init__.py b/stream/__init__.py
index ce3616b..2b3121b 100644
--- a/stream/__init__.py
+++ b/stream/__init__.py
@@ -169,7 +169,7 @@ class Plugin_OBJ():
         if not stream_args["transcode_quality"] or stream_args["transcode_quality"] == "heavy":
             ffmpeg_command.extend([
                                     "-c", "copy",
-                                    "-f", "mpegts"
+                                    "-f", "mp4"
                                     ])
 
         elif stream_args["transcode_quality"] == "mobile":
@@ -179,7 +179,7 @@ class Plugin_OBJ():
                                     "-s", "1280X720",
                                     "-b:v", "500k",
                                     "-b:a", "128k",
-                                    "-f", "mpegts"
+                                    "-f", "mp4"
                                     ])
 
         elif stream_args["transcode_quality"] == "internet720":
@@ -189,7 +189,7 @@ class Plugin_OBJ():
                                     "-s", "1280X720",
                                     "-b:v", "1000k",
                                     "-b:a", "196k",
-                                    "-f", "mpegts"
+                                    "-f", "mp4"
                                     ])
 
         elif stream_args["transcode_quality"] == "internet480":
@@ -199,7 +199,7 @@ class Plugin_OBJ():
                                     "-s", "848X480",
                                     "-b:v", "400k",
                                     "-b:a", "128k",
-                                    "-f", "mpegts"
+                                    "-f", "mp4"
                                     ])
 
         elif stream_args["transcode_quality"] == "internet360":
@@ -209,7 +209,7 @@ class Plugin_OBJ():
                                     "-s", "640X360",
                                     "-b:v", "250k",
                                     "-b:a", "96k",
-                                    "-f", "mpegts"
+                                    "-f", "mp4"
                                     ])
 
         elif stream_args["transcode_quality"] == "internet240":
@@ -219,7 +219,7 @@ class Plugin_OBJ():
                                     "-s", "432X240",
                                     "-b:v", "250k",
                                     "-b:a", "96k",
-                                    "-f", "mpegts"
+                                    "-f", "mp4"
                                     ])
 
         return ffmpeg_command