diff --git a/src/_h5ai/public/js/inc/ext/preview-txt.js b/src/_h5ai/public/js/inc/ext/preview-txt.js
index 1b5b8a00..a2fe5837 100644
--- a/src/_h5ai/public/js/inc/ext/preview-txt.js
+++ b/src/_h5ai/public/js/inc/ext/preview-txt.js
@@ -4,8 +4,8 @@ modulejs.define('ext/preview-txt', ['_', '$', 'marked', 'prism', 'core/event', '
             enabled: false,
             types: {}
         }, allsettings['preview-txt']);
-    var templateText = '<pre id="pv-txt-text" class="highlighted"/>';
-    var templateMarkdown = '<div id="pv-txt-text" class="markdown"/>';
+    var tplText = '<pre id="pv-txt-text" class="highlighted"/>';
+    var tplMarkdown = '<div id="pv-txt-text" class="markdown"/>';
     var spinnerThreshold = 200;
     var spinnerTimeoutId;
     var currentItems;
@@ -76,13 +76,13 @@ modulejs.define('ext/preview-txt', ['_', '$', 'marked', 'prism', 'core/event', '
             var $code;
 
             if (type === 'none') {
-                $text = $(templateMarkdown).text(textContent);
+                $text = $(tplMarkdown).text(textContent);
             } else if (type === 'fixed') {
-                $text = $(templateText).text(textContent);
+                $text = $(tplText).text(textContent);
             } else if (type === 'markdown') {
-                $text = $(templateMarkdown).html(marked(textContent));
+                $text = $(tplMarkdown).html(marked(textContent));
             } else {
-                $text = $(templateText);
+                $text = $(tplText);
                 $code = $('<code/>').appendTo($text);
 
                 if (textContent.length < 20000) {
diff --git a/src/_h5ai/public/js/inc/ext/preview.js b/src/_h5ai/public/js/inc/ext/preview.js
index 8f1b29a2..af217e37 100644
--- a/src/_h5ai/public/js/inc/ext/preview.js
+++ b/src/_h5ai/public/js/inc/ext/preview.js
@@ -4,7 +4,7 @@ modulejs.define('ext/preview', ['_', '$', 'core/resource', 'core/settings', 'cor
             enabled: true
         }, allsettings.preview);
     var $window = $(window);
-    var template =
+    var tplOverlay =
             '<div id="pv-overlay">' +
                 '<div id="pv-content"/>' +
                 '<div id="pv-spinner"><img class="back"/><img class="spinner" src="' + resource.image('spinner') + '"/></div>' +
@@ -65,11 +65,8 @@ modulejs.define('ext/preview', ['_', '$', 'core/resource', 'core/settings', 'cor
 
     function onEnter() {
 
-        $('#pv-content').empty();
-        setLabels([]);
         $('#pv-overlay').stop(true, true).fadeIn(200);
         $window.on('keydown', onKeydown);
-
         adjustSize();
     }
 
@@ -215,7 +212,7 @@ modulejs.define('ext/preview', ['_', '$', 'core/resource', 'core/settings', 'cor
             return;
         }
 
-        $(template).appendTo('body');
+        $(tplOverlay).appendTo('body');
 
         $('#pv-spinner').hide();
         $('#pv-bar-prev, #pv-prev-area').on('click', onPrevious);