Ticket #38782: 38782.diff

src/js/_enqueues/lib/link.js

@@ -741 +741 @@
                                 el = this.element,
                                 bottom = el.scrollTop() + el.height();
 
-                        if ( ! this.query.ready() || bottom < this.contentHeight.height() - wpLink.riverBottomThreshold )
+                        if (
+                                ! this.visible
+                                || ! this.query.ready()
+                                || bottom < this.contentHeight.height() - wpLink.riverBottomThreshold
+                        ) {
                                 return;
+                        }
 
                         setTimeout(function() {
                                 var newTop = el.scrollTop(),