diff --git a/themes/luci-theme-bootstrap/htdocs/luci-static/bootstrap/cascade.css b/themes/luci-theme-bootstrap/htdocs/luci-static/bootstrap/cascade.css
index 4a101006b894..ebf534a360fa 100644
--- a/themes/luci-theme-bootstrap/htdocs/luci-static/bootstrap/cascade.css
+++ b/themes/luci-theme-bootstrap/htdocs/luci-static/bootstrap/cascade.css
@@ -1147,7 +1147,7 @@ a.menu:after {
 	width: 0;
 	height: 0;
 	display: inline-block;
-	content: "↓";
+	content: "\2193";
 	text-indent: -99999px;
 	vertical-align: top;
 	margin-top: 8px;