diff --git a/header.php b/header.php
index 6c049d4..55e4210 100644
--- a/header.php
+++ b/header.php
@@ -32,7 +32,7 @@ $container = get_theme_mod( 'understrap_container_type' );
 
 		<nav id="main-nav" class="navbar navbar-expand-md navbar-dark bg-primary">
 
-		<?php if ( 'container' == $container ) : ?>
+		<?php if ( 'container' === $container ) : ?>
 			<div class="container">
 		<?php endif; ?>
 
@@ -70,7 +70,7 @@ $container = get_theme_mod( 'understrap_container_type' );
 						'walker'          => new Understrap_WP_Bootstrap_Navwalker(),
 					)
 				); ?>
-			<?php if ( 'container' == $container ) : ?>
+			<?php if ( 'container' === $container ) : ?>
 			</div><!-- .container -->
 			<?php endif; ?>