diff --git a/src/_h5ai/client/js/inc/ext/preview-img.js b/src/_h5ai/client/js/inc/ext/preview-img.js
index 9d38516a..227f6329 100644
--- a/src/_h5ai/client/js/inc/ext/preview-img.js
+++ b/src/_h5ai/client/js/inc/ext/preview-img.js
@@ -145,7 +145,7 @@ modulejs.define('ext/preview-img', ['_', '$', 'core/settings', 'core/resource',
 						$('#pv-img-bar-size').text('' + width + 'x' + height);
 						$('#pv-img-bar-idx').text('' + (currentIdx + 1) + ' / ' + currentEntries.length);
 						$('#pv-img-bar-original').find('a').attr('href', currentEntries[currentIdx].absHref);
-					}, 1);
+					}, 30);
 				});
 			});
 		},