diff --git a/_includes/header.liquid b/_includes/header.liquid
index 3ebd3f63c..a211e730f 100644
--- a/_includes/header.liquid
+++ b/_includes/header.liquid
@@ -1,6 +1,6 @@
 <header>
   <!-- Nav Bar -->
-  <nav id="navbar" class="navbar navbar-light navbar-expand-sm {% if site.navbar_fixed %}fixed-top{% else %}sticky-top{% endif %}" role="navigation">
+  <nav id="navbar" class="navbar navbar-light navbar-expand-lg {% if site.navbar_fixed %}fixed-top{% else %}sticky-top{% endif %}" role="navigation">
     <div class="container">
       {% if page.permalink != '/' %}
         <a class="navbar-brand title font-weight-lighter" href="{{ site.baseurl }}/">