diff --git a/web_src/less/_base.less b/web_src/less/_base.less
index 3e494baf0..255842eb6 100644
--- a/web_src/less/_base.less
+++ b/web_src/less/_base.less
@@ -1561,7 +1561,7 @@ a.ui.label:hover {
 }
 
 .ui.buttons .button:first-child {
-  border-left: 1px solid var(--color-secondary);
+  border-left: 1px solid var(--color-light-border);
 }
 
 .ui.buttons .button + .button {