diff --git a/views/join.html b/views/join.html
index c1bf473c2..2a7309f4d 100644
--- a/views/join.html
+++ b/views/join.html
@@ -67,7 +67,7 @@
             </div>
             <div ng-hide="hideAdv">
               <p>
-              <input type="text" placeholder="BIP32 master extended private key (hex)" name="private" ng-model="$parent.private">
+              <input class="columns" type="text" placeholder="BIP32 master extended private key (hex)" name="private" ng-model="$parent.private">
             </div>
 
             <div class="text-right m20t">