diff --git a/marietje/queues/templates/queues/queue.html b/marietje/queues/templates/queues/queue.html
index 8087d0b..20db3f8 100644
--- a/marietje/queues/templates/queues/queue.html
+++ b/marietje/queues/templates/queues/queue.html
@@ -463,12 +463,11 @@
                 toggle_details(song) {
                     if (!this.show_details(song)) {
                         this.songs_show_details_on_mobile.push(song.id);
-                    }
-                    else {
-                        const index = this.songs_show_details_on_mobile.indexOf(song.id);
-                        if (index > -1) {
-                            this.songs_show_details_on_mobile.splice(index, 1);
-                        }
+                    } else {
+                        // Deze filter is gehaat door Kees, gemaakt door Olaf. Bedankt, Olaf. Duurde wel even.
+                        this.songs_show_details_on_mobile = this.songs_show_details_on_mobile.filter(
+                           value => value !== song.id
+                        );
                     }
                 },
             }