diff --git a/viewer/viewer.html b/viewer/viewer.html
index f3c27ec..25b1396 100644
--- a/viewer/viewer.html
+++ b/viewer/viewer.html
@@ -231,6 +231,8 @@ <h5><span id="resultslabel"></span>
                         </h5>
                             <input type="button" class="submit-button" id="produce-outputjs"
                                    value="&nbsp;&nbsp;Generate Output&nbsp;&nbsp;"/>
+                            <input type="button" class="submit-button hidden" id="map-inference"
+                                   value="&nbsp;&nbsp;Run MAP Inference&nbsp;&nbsp;"/>
                         </div>
 
                         <div class="intro_slide info">
@@ -349,4 +351,4 @@ <h5>
 
 
 </body>
-</html>
\ No newline at end of file
+</html>