diff --git a/hardware/intel/mraa-gpio-din.html b/hardware/intel/mraa-gpio-din.html
index 88e256bd..804d582b 100644
--- a/hardware/intel/mraa-gpio-din.html
+++ b/hardware/intel/mraa-gpio-din.html
@@ -68,6 +68,7 @@
             <option value="17">D17</option>
             <option value="18">D18</option>
             <option value="19">D19</option>
+            <option value="20">USER button</option>
         </select>
     </div>
     <div class="form-row">