diff --git a/R/htmlBoxManipulation.R b/R/htmlBoxManipulation.R
index 5583fc9..00011c0 100644
--- a/R/htmlBoxManipulation.R
+++ b/R/htmlBoxManipulation.R
@@ -171,7 +171,9 @@ htmlRemoveBoxTitle <- function(box, removeHeader = FALSE) {
   } else {
     htmltools::tagQuery(box)$
       find(".box-title")$
-      replace(htmltools::tags$span(htmltools::HTML("&nbsp;")))$
+      replace(htmltools::tags$span(
+        class = "empty-box-title", htmltools::HTML("&nbsp;")
+      ))$
       allTags()
   }
 }