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 85252160b1..3cc254bede 100644
--- a/themes/luci-theme-bootstrap/htdocs/luci-static/bootstrap/cascade.css
+++ b/themes/luci-theme-bootstrap/htdocs/luci-static/bootstrap/cascade.css
@@ -269,7 +269,7 @@ body {
 	line-height: 18px;
 	color: var(--text-color-high);
 	padding: 5px;
-	height: 100%;
+	min-height: 100%;
 	display: flex;
 	flex-direction: column;
 }