diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/public/resources/uploader/index.html b/openbis/source/java/ch/systemsx/cisd/openbis/public/resources/uploader/index.html
index ac61382df430e842994b822e1b9a12ab3f086bb1..e0f2047c7ac890ec71233f0e460aa5abadbf5d71 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/public/resources/uploader/index.html
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/public/resources/uploader/index.html
@@ -27,7 +27,7 @@ Copyright 2012 Oliver Lau, Heise Zeitschriften Verlag
         <path transform="translate(10, 10) scale(1.5)" fill="url(#grd)" d="M 0 10 Q 0 0 10 0 L 110 0 Q 120 0 120 10 L 120 60 Q 120 70 110 70 L 85 70 L 85 45 L 110 45 L 60 10 L 10 45 L 35 45 L 35 70 L 10 70 Q 0 70 0 60 L 0 10 Z" />
       </svg>
       <br />
-      <button class="huge" id="fileinput-button">Select files to upload</button>
+      <button class="huge" id="fileinput-button" type="button">Select files to upload</button>
     </div><!-- filedrop-chooser -->
     <div id="filedrop-hint"></div><!-- filedrop-hint -->
     <form id="upload-form">