diff --git a/source/_layouts/post.html b/source/_layouts/post.html
index e8c037667..9dfb864ff 100644
--- a/source/_layouts/post.html
+++ b/source/_layouts/post.html
@@ -1,6 +1,6 @@
 {% extends 'default' %}
 
-{% block body_classes %}page--blog page--blog__post{% endblock %}
+{% block body_classes 'page--blog page--blog__post' %}
 
 {% block content_wrapper %}
   <main class="col-md-10">
diff --git a/source/contact.md b/source/contact.md
index 7a6b6f168..a6e5d8e70 100644
--- a/source/contact.md
+++ b/source/contact.md
@@ -4,7 +4,7 @@ title: Contact
 meta:
   description: 'Information about how to get in touch with Oliver.'
 ---
-{% block body_classes %}page--contact{% endblock %}
+{% block body_classes 'page--contact' %}
 
 {% block content %}
 # Contact
diff --git a/source/index.md b/source/index.md
index edf4955fa..1018a646a 100644
--- a/source/index.md
+++ b/source/index.md
@@ -12,7 +12,7 @@ meta:
       height: 327
       type: image/jpg
 ---
-{% block body_classes %}page--about{% endblock %}
+{% block body_classes 'page--about' %}
 
 {% block content %}
 # About
diff --git a/source/services.md b/source/services.md
index 691c38a1c..015e28af1 100644
--- a/source/services.md
+++ b/source/services.md
@@ -4,7 +4,7 @@ title: Services
 meta:
   description: 'Information about freelance services that Oliver offers.'
 ---
-{% block body_classes %}page--services{% endblock %}
+{% block body_classes 'page--services' %}
 
 {% block content %}
 # Services
diff --git a/source/talks.html b/source/talks.html
index 6b3f010b1..7aa883f33 100644
--- a/source/talks.html
+++ b/source/talks.html
@@ -6,7 +6,7 @@ meta:
 use:
   - talks
 ---
-{% block body_classes %}page--talks page--talks__list{% endblock %}
+{% block body_classes 'page--talks page--talks__list' %}
 
 {% block content %}
 <h1>Talks</h1>
diff --git a/source/testimonials.html b/source/testimonials.html
index 3ccbcf7f7..d454ed611 100644
--- a/source/testimonials.html
+++ b/source/testimonials.html
@@ -60,7 +60,7 @@ testimonials:
       <p>Oliver is a skilled Drupal developer with a passion for the Drupal community. As his direct supervisor, I was able to watch Oliver grow with the Drupal Association and contribute an amazing amount of effort and integrity to all of his work.</p>
       <p>Everything we have thrown at Oliver, he has approached with an open and flexible mind that has allowed him to work on a wide range of projects and features for Drupal products.</p>
 ---
-{% block body_classes %}page--testimonials{% endblock %}
+{% block body_classes 'page--testimonials' %}
 
 {% block content %}
     <h1>Testimonials</h1>