diff --git a/app/assets/stylesheets/_utilities.scss b/app/assets/stylesheets/_utilities.scss
index 5fe1bbae..c102283c 100644
--- a/app/assets/stylesheets/_utilities.scss
+++ b/app/assets/stylesheets/_utilities.scss
@@ -25,3 +25,8 @@
 .pull-left {
   float: left;
 }
+
+// FIXME: Backport from Bootstrap 5.3, remove once updated
+.z-n1 {
+  z-index: -1;
+}
diff --git a/app/views/comment/show_reactions.html.haml b/app/views/comment/show_reactions.html.haml
index 90ec41fe..690943f8 100644
--- a/app/views/comment/show_reactions.html.haml
+++ b/app/views/comment/show_reactions.html.haml
@@ -18,4 +18,4 @@
                     %span= user_screen_name(smile.user, url: false)
         .modal-footer
           = button_to t("voc.close"), modal_close_path, method: :get, class: "btn btn-default"
-  .modal-backdrop.fade.show
+    = link_to "", modal_close_path, method: :get, class: "modal-backdrop fade show z-n1"