diff --git a/src/snek/static/message-list.js b/src/snek/static/message-list.js
index 386a435..68fc098 100644
--- a/src/snek/static/message-list.js
+++ b/src/snek/static/message-list.js
@@ -191,7 +191,7 @@ class MessageList extends HTMLElement {
     return this.isElementVisible(this.firstElementChild);
   }
   scrollToBottom(force = false, behavior= 'instant') {
-    if (force || this.isScrolledToBottom()) {
+    if (force || !this.isScrolledToBottom()) {
       this.firstElementChild.scrollIntoView({ behavior, block: 'start' });
       setTimeout(() => {
         this.firstElementChild.scrollIntoView({ behavior, block: 'start' });