diff --git a/themes/bootstrap3/less/components/sidebar.less b/themes/bootstrap3/less/components/sidebar.less
index 5f8440cafdb..4620164be31 100644
--- a/themes/bootstrap3/less/components/sidebar.less
+++ b/themes/bootstrap3/less/components/sidebar.less
@@ -200,7 +200,7 @@ h3.facet-title {
     flex-wrap: wrap;
     align-items: baseline;
     // Ensure that there is enough room for a button focus outline:
-    margin-left: .2rem;
+    padding-left: .2rem;
 
     .facet-tree__toggle-open {
       width: 1.4rem;