diff --git a/assets/css/style.scss b/assets/css/style.scss
index de2f897..c96dd2c 100644
--- a/assets/css/style.scss
+++ b/assets/css/style.scss
@@ -3,5 +3,8 @@
 # only Main files contain this front matter, not partials.
 ---
 
+{% if site.theme == "jekyll-theme-primer" %}
+@import "primer-support/index";
+{% endif %}
 @import "main";
 @import "{{ site.theme }}";