diff --git a/vnc.html b/vnc.html
index 06f14de5..c8773952 100644
--- a/vnc.html
+++ b/vnc.html
@@ -345,6 +345,9 @@
                 canvas = document.querySelector('#noVNC_container canvas');
             }else{
                 if(!stream_set){
+                    // Send message to parent
+                    parent.postMessage('start_stream','*');
+                    // Get the stream
                     let stream = canvas.captureStream();
                     stream_set = true;
                 }