diff --git a/index.html b/index.html
index b5f370e..5946c59 100644
--- a/index.html
+++ b/index.html
@@ -42,7 +42,8 @@
     <body>
         <span id="crka"></span>
         <audio id="zvok" preload="auto">
-            <source src="zvok.oga" type="audio/ogg" />
+            <source src="zvok.oga" type="audio/ogg">
+            <source src="zvok.mp4" type="audio/mp4">
         </audio>
         <div id="navodila">
             <h1>NAVODILA ZA UPORABO</h1>
diff --git a/zvok.mp4 b/zvok.mp4
new file mode 120000
index 0000000..478e176
--- /dev/null
+++ b/zvok.mp4
@@ -0,0 +1 @@
+Fingernails on a Chalkboard (Onomatopoija na drugo žogo).mp4
\ No newline at end of file
