diff --git a/app.js b/app.js
index fe580fe..bb96cf5 100644
--- a/app.js
+++ b/app.js
@@ -401,7 +401,7 @@ function openDuplicateModal(container) {
       document.getElementById('container-hostname').value = config.Config.Hostname.replace(/^\//, '');
       document.getElementById('container-image').value = config.Config.Image;
       document.getElementById('container-netmode').value = config.HostConfig?.NetworkMode;
-      document.getElementById('container-cpu').value = config.HostConfig?.CpuCount;
+      document.getElementById('container-cpu').value = config.HostConfig?.CpusetCpus;
       document.getElementById('container-memory').value = Math.round(config.HostConfig?.Memory / (1024 * 1024));
       document.getElementById('container-config').value = JSON.stringify(config, null, 2);