diff --git a/src/librustdoc/html/static/rustdoc.css b/src/librustdoc/html/static/rustdoc.css
index 0f9104f91b4c0..b2473dd9b236d 100644
--- a/src/librustdoc/html/static/rustdoc.css
+++ b/src/librustdoc/html/static/rustdoc.css
@@ -961,7 +961,7 @@ span.since {
 		padding-top: 0px;
 	}
 
-	body > .sidebar {
+	.rustdoc > .sidebar {
 		height: 45px;
 		min-height: 40px;
 		margin: 0;