diff --git a/webspeechdemo/webspeechdemo.html b/webspeechdemo/webspeechdemo.html
index b4bc72e..d504578 100644
--- a/webspeechdemo/webspeechdemo.html
+++ b/webspeechdemo/webspeechdemo.html
@@ -222,11 +222,12 @@ <h1 class="center" id="headline">
 var recognizing = false;
 var ignore_onend;
 var start_timestamp;
-if (!('webkitSpeechRecognition' in window)) {
+var SpeechRecognition = window.SpeechRecognition || window.webkitSpeechRecognition;
+if (!SpeechRecognition) {
   upgrade();
 } else {
   start_button.style.display = 'inline-block';
-  var recognition = new webkitSpeechRecognition();
+  var recognition = new SpeechRecognition();
   recognition.continuous = true;
   recognition.interimResults = true;
 
@@ -388,4 +389,4 @@ <h1 class="center" id="headline">
   copy_info.style.display = 'none';
   email_info.style.display = 'none';
 }
-</script>
\ No newline at end of file
+</script>