diff --git a/test/test.html b/test/test.html
index 4fe1ffe..3b128f0 100644
--- a/test/test.html
+++ b/test/test.html
@@ -14,7 +14,7 @@
     </style>
   </head>
 <body>
-  <button style="margin-top: 24px;" onclick="loadHTML()">Load LinkBoard</button>
+  <button type="button" style="margin-top: 24px;" onclick="loadHTML()">Load LinkBoard</button>
 <div id="demo"></div>
 
 <script>
