diff --git a/phpBB/styles/prosilver/template/forum_fn.js b/phpBB/styles/prosilver/template/forum_fn.js
index 3b13211362..35b8290e5c 100644
--- a/phpBB/styles/prosilver/template/forum_fn.js
+++ b/phpBB/styles/prosilver/template/forum_fn.js
@@ -800,7 +800,7 @@ function parse_document(container)
 					return;
 				}
 
-				if (text.length && text !== '-') {
+				if ((text.length && text !== '-') || cell.children().length) {
 					cell.prepend('<dfn style="display: none;">' + headers[column] + '</dfn>');
 				}
 				else {