diff --git a/views/bootstrap/class.Bootstrap.php b/views/bootstrap/class.Bootstrap.php
index 3a5240084..a8cfb7383 100644
--- a/views/bootstrap/class.Bootstrap.php
+++ b/views/bootstrap/class.Bootstrap.php
@@ -1222,7 +1222,7 @@ $(document).ready(function() {
 		<p>'.getMLText('tree_loading').'</p>
   </div>
   <div class="modal-footer">
-    <button class="btn btn-primary" data-dismiss="modal" aria-hidden="true">'.getMLText("close").'</button>
+    <button class="btn" data-dismiss="modal" aria-hidden="true">'.getMLText("close").'</button>
   </div>
 </div>
 ';
@@ -1288,7 +1288,7 @@ function folderSelected<?php echo $formid ?>(id, name) {
 		<p>'.getMLText('tree_loading').'</p>
   </div>
   <div class="modal-footer">
-    <button class="btn btn-primary" data-dismiss="modal" aria-hidden="true">'.getMLText("close").'</button>
+    <button class="btn" data-dismiss="modal" aria-hidden="true">'.getMLText("close").'</button>
   </div>
 </div>
 ';
@@ -1385,8 +1385,8 @@ $(document).ready(function() {
 		<p><?php printMLText('categories_loading') ?></p>
   </div>
   <div class="modal-footer">
-    <button class="btn btn-primary" data-dismiss="modal" aria-hidden="true"><?php printMLText("close") ?></button>
-    <button class="btn" data-dismiss="modal" aria-hidden="true" onClick="acceptCategories();"><i class="fa fa-save"></i> <?php printMLText("save") ?></button>
+    <button class="btn" data-dismiss="modal" aria-hidden="true"><?php printMLText("close") ?></button>
+    <button class="btn btn-primary" data-dismiss="modal" aria-hidden="true" onClick="acceptCategories();"><i class="fa fa-save"></i> <?php printMLText("save") ?></button>
   </div>
 </div>
 <?php
@@ -1647,7 +1647,7 @@ $(document).ready(function() {
 		<p>'.getMLText('files_loading').'</p>
 		</div>
   <div class="modal-footer">
-    <button class="btn btn-primary" data-dismiss="modal" aria-hidden="true">'.getMLText("close").'</button>
+    <button class="btn" data-dismiss="modal" aria-hidden="true">'.getMLText("close").'</button>
   </div>
 </div>
 ';