diff --git a/fancier/index.html b/fancier/index.html
index af0cce41593ce7f07528d3488e1b74b76bc45b93..e8018616e78acac74ff5584b5d6c38d4f25b5ac2 100644
--- a/fancier/index.html
+++ b/fancier/index.html
@@ -163,7 +163,7 @@ width="500" height="600"></xmp>
         </div>
 
         <div>
-          <video width="320" height="240" controls>
+          <video width="320" height="240" controls autoplay>
             <source src="../media/sample.mp4" type="video/mp4">
               Your browser does not support the video tag.
           </video>
diff --git a/fancy/index.html b/fancy/index.html
index a1ad6582abc65f9cf21eb42da090fa2f52c30322..892f18de4a013cdc693be3f47fa5c5c5f5f9dfae 100644
--- a/fancy/index.html
+++ b/fancy/index.html
@@ -151,7 +151,7 @@ width="500" height="600"></xmp>
         </div>
 
         <div>
-          <video width="320" height="240" controls>
+          <video width="320" height="240" controls autoplay>
             <source src="../media/sample.mp4" type="video/mp4">
               Your browser does not support the video tag.
           </video>
diff --git a/simple/index.html b/simple/index.html
index 36cc7d8f16fd8e95fc1a1a8320956e02a7dce157..337268f406cdd8c6313ddc6b4f0b7d8ca44980ef 100644
--- a/simple/index.html
+++ b/simple/index.html
@@ -86,8 +86,8 @@
             Your browser does not support the video tag.<br>
       &lt/video&gt</code>
     <br><br>
-    <video width="320" height="240" controls>
-      <source src="media/sample.mp4" type="video/mp4">
+    <video width="320" height="240" controls autoplay>
+      <source src="../media/sample.mp4" type="video/mp4">
       Your browser does not support the video tag.
     </video>
     <br><br>