diff --git a/js/functions.js b/js/functions.js
index 7f3dcb28d4..c37b5175a0 100644
--- a/js/functions.js
+++ b/js/functions.js
@@ -368,7 +368,7 @@ function PMA_addDatepicker($this_element, type, options)
             }, 0);
         },
         onSelect: function() {
-            $this_element.data('datepicker').inline = true;                               
+            $this_element.data('datepicker').inline = true;
         },
         onClose: function (dateText, dp_inst) {
             // The value is no more from the date picker
@@ -3493,6 +3493,7 @@ function showIndexEditDialog($outer)
             );
         }
     });
+    $('div.add_fields').removeClass('hide');
     // focus index size input on column picked
     $outer.find('table#index_columns select').change(function () {
         if ($(this).find("option:selected").val() === '') {
diff --git a/js/indexes.js b/js/indexes.js
index 009b940d13..1e997a5edc 100644
--- a/js/indexes.js
+++ b/js/indexes.js
@@ -344,6 +344,7 @@ function PMA_showAddIndexDialog(source_array, array_index, target_columns, col_i
                 open: function () {
                     checkIndexName("index_frm");
                     PMA_showHints($div);
+                    PMA_init_slider();
                     $('#index_columns td').each(function () {
                         $(this).css("width", $(this).width() + 'px');
                     });
diff --git a/libraries/tbl_indexes.lib.php b/libraries/tbl_indexes.lib.php
index 5724b10617..2265a8814a 100644
--- a/libraries/tbl_indexes.lib.php
+++ b/libraries/tbl_indexes.lib.php
@@ -460,7 +460,7 @@ function PMA_getHtmlForIndexForm($fields, $index, $form_params, $add_fields)
     $html .= '<div class="add_more">';
     $btn_value = sprintf(__('Add %s column(s) to index'), 1);
     $html .= '<div class="slider"></div>';
-    $html .= '<div class="add_fields">';
+    $html .= '<div class="add_fields hide">';
     $html .= '<input type="submit" id="add_fields" value="' . $btn_value . '" />';
     $html .= '</div>';
     $html .= '</div>';