diff --git a/assets/instance_buttons.js b/assets/instance_buttons.js
index 1aa517e..7bb2bd8 100644
--- a/assets/instance_buttons.js
+++ b/assets/instance_buttons.js
@@ -74,7 +74,7 @@ import {known_load, known_save} from './known_instances.js';
         for(let instance of top_instances){
             let found = false;
             for(let k of known){
-                if(k['instance'] == instance){
+                if(k['instance'] == instance['instance']){
                     found = true;
                     break;
                 }