diff --git a/web/webwatch.html b/web/webwatch.html
index 53e77a2..5d03d11 100644
--- a/web/webwatch.html
+++ b/web/webwatch.html
@@ -4,7 +4,7 @@
 
   <h4 style="text-align: center;">fHDHR Channel Watch</h4>
   <video width='50%' height='40%' autoplay controls>
-    <source src="{{ watch_url }}"> Your browser does not support the video tag.
+    <source src="{{ watch_url }}" type="video/webm"> Your browser does not support the video tag.
   </video>
 
 
diff --git a/web/webwatch_api.py b/web/webwatch_api.py
index 78b66d1..ae0dcdb 100644
--- a/web/webwatch_api.py
+++ b/web/webwatch_api.py
@@ -116,7 +116,7 @@ class WebWatch_Tuner():
                 tuner.close()
                 abort(response)
 
-            return Response(stream.get(), mimetype="video/mp4")
+            return Response(stream.get(), mimetype="video/webm")
 
         if redirect_url:
             return redirect("%s?retmessage=%s" % (redirect_url, urllib.parse.quote("%s Success" % method)))